Round all answers to 4 decimal places. a. A bag contains 9 black marbles, 10 red marbles, and 4 blue marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a black marble, and then a blue marble? b. A bag contains 10 yellow marbles, 4 blue marbles, and 9 red marbles. If two different marbles are drawn from the bag, what is the probability of drawing first a yellow marble and then a red marble? Calculator Scratchwork Area Giving a test to a group of students, the grades and gender are summarized below Grades and Gender [ A [ c [ em e | 5| | 2| Femaie| 10| 3| 1| @ o | 5| o w If one student is chosen at random, find the probability that the student was female AND got a "A". Round your answer to 4 decimal places. Calculator Scratchwork Area Question Help: [ Message instructor Giving a test to a group of students, the grades and gender are summarized below Grades and Gender If one student is chosen at random, find the probability that the student was female OR got an "C". Round your answer to 4 decimal places. Calculator Scratchwork Area Question Help: & Message instructor Giving a test to a group of students, the grades and gender are summarized below. Round your answers to 4 decimal places. Grades and Gender If one student is chosen at random, a. Find the probability that the student received an A: b. Find the probability that the student was male AND received a B: c. Find the probability that the student was male OR received a B: d. If one student is chosen at random, find the probability that the student received an A GIVEN they are female: Calculator Scratchwork Area Use the following probabilities to answer the question. Round to 4 decimal places. P(A) = 0.2, P(B) = 0.7, P(A and B) = 0.10. o= | Calculator Scratchwork Area In a large population, 62% of the people have been vaccinated. If 4 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? [: Give your answer as a decimal to at 4 places. Calculator Scratchwork Area Question Help: & Message instructor Submit Question Score on last try: 0 of 1 pts. See Details for more. > Next question 2 Get a similar question You can retry this question below The table summarizes results from pedestrian deaths that were caused by automobile accidents. Pedestrian Deaths Driver Pedestrian Intoxicated? Intoxicated? If two different pedestrian deaths are randomly selected from this sample of size 981, find the probability that they both involved drivers that were not intoxicated. Report the answer rounded to four decimal place accuracy. 0.0943 X Calculator O ~hlhrraa-1s N amm -~ The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents. Pedestrian Deaths Driver Pedestrian Intoxicated? Intoxicated? Y. 6 I If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was intoxicated. Please enter a decimal to 4 places. 0.0633 X Calculator Scratchwork Area The table summarizes results from 984 pedestrian deaths that were caused by automobile accidents. Pedestrian Deaths Driver Pedestrian Intoxicated? Intoxicated?| Yes | No | If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was not intoxicated but the driver was. Please enter a decimal to 4 places. Calculator Scratchwork Area A jar contains 10 red marbles numbered 1 to 10 and 10 blue marbles numbered 1 to 10. A marble is drawn at random from the jar. Find the probability of the given event, please show your answers as reduced fractions. a. The marble is red. Peed)=| | b. The marble is odd-numbered. Podd)=[ ] c. The marble is red or odd-numbered. P(red or odd) = [: d. The marble is blue or even-numbered. P(blue or even) = [: Calculator Scratchwork Area A survey of athletes at a high school is conducted, and the following facts are discovered: 51% of the athletes are football players, 25% are basketball players, and 7% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player? % (Please enter your answer as a percent) Calculator Scratchwork Area A manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information that was collected: Number of Customers Sl s One customer is chosen at random for a prize giveaway. Please enter reduced fractions. What is the probability that the customer is at least 40 but no older than 60? :] What is the probability that the customer is either older than 60 or younger than 40? :] What is the probability that the customer is at least 50?7 :] 'Scratchwork Area Calculator 4 Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 77 people in the 18-21 age bracket and finds that 65 of them respond and 12 refuse to respond. When 274 people in the 22-29 age bracket are contacted, 258 respond and 16 refuse to respond. Assume that 1 of the 351 people is randomly selected. Find the probability of getting someone in the 18-21 age bracket or someone who agreed to respond. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. P(18-21 or agreed) = % (Hint: It might be helpful to organize the data into a table first.) Calculator Scratchwork Area A jar contains 44 red marbles numbered 1 to 44 and 32 blue marbles numbered 1 to 32. A marble is drawn at random from the jar. Find the probability of the given event, please show your answers as reduced fractions. a. The marble is red. P(red) = b. The marble is odd-numbered. P(odd) = c. The marble is red or odd-numbered. P(red or odd) = d. The marble is blue or even-numbered. P(blue or even) = Calculator Scratchwork Area 4 Pollsters are concerned about declining level surveys. A pollster contacts 77 people in the 18 and 12 refuse to respond. When 274 people in and 16 refuse to respond. Assume that 1 of the 351 people is randomly the 18-21 age bracket or someone who agreed Report the answer as a percent rounded to on ymbol.A quick quiz consists of a multiple-choice question with 5 possible answers, followed by a multiple- choice question with 4 possible answers. If both questions are answered with random guesses, find the probability that both responses are correct. Report the answer as a percent rounded to two decimal place accuracy. You need not enter the "%" symbol. Probability = % Calculator Scratchwork Area A jar contains 44 red marbles numbered 1 to 44 and 32 biu drawn at random from the jar. Find the probability of the g as reduced fractions. a. The marble is red Question Help: Message instructor P(red) - 6. The marble is odd-numbered. P(odd) = . The marble is red or odd-numbered. P(red or odd) = Submit Question d. The marble is blue or even-numbered. P(blue or even) = Calculator Scratchwork AreaA dice is rolled 3 times. What is the probability of showing a 5 on every roll? [:] (Round to 4 decimal places) Question Help: &3 Message instructor Submit Question Tomi buys a bag of cookies that contains 6 chocolate chip cookies, 6 peanut butter cookies, 5 sugar cookies and 6 oatmeal raisin cookies. What is the probability that Tomi randomly selects a peanut butter cookie from the bag, eats it, then randomly selects another peanut butter cookie? (Round your answer to 4 decimal places.) Question Help: &9 Message instructor Submit Question @ Question 26 v & 0/1 pt 3 299 @ Details Bao buys a bag of cookies that contains 7 chocolate chip cookies, 6 peanut butter cookies, 9 sugar cookies and 4 oatmeal cookies. What is the probability that Bao randomly selects a chocolate chip cookie from the bag, eats it, then randomly selects a peanut butter cookie? Probability = (Round your answer to 4 decimal places.) Question Help: &3 Message instructor Submit Question A bag contains 9 red marbles, 5 white marbles, and 6 blue marbles. You draw 3 marbles out at random, without replacement. Find the following probabilities, and round to 4 decimal places. a. The probability that all the marbles are red is b. The probability that none of the marbles are red is Calculator Scratchwork Area A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5 digits long, and that each digit could be a number between 0 and 5. Assume that the hacker makes random guesses. What is the probability that the hacker guesses the password on his first try? Round to four decimal places. Probability = Calculator Scratchwork Area A bag contains 9 red marbles, 5 white marbles, and 6 blue marbles. You draw 3 marbles out at random, without replacement, Find the following probabilities, and round to 4 decimal places. a. The probability that all the marbles are red is b. The probability that none of the marbles are red is Calculator Scratchwork AreaA special deck of cards has 8 green cards, 11 blue cards, and 7 red cards . When a card is picked, the color is recorded. An experiment consists of first picking a card and then tossing a coin. a. How many elements are there in the sample space? b. Let A be the event that a green card is picked first, followed by landing a head on the coin toss. P(A) = . (round your answer to 4 decimal places) al . Let B be the event that a red or blue is picked, followed by landing a head on the coin toss. Are the events A and B mutually exclusive? O No, they are not Mutually Exclusive. O Yes, they are Mutually Exclusive. d. Let C be the event that a green or blue is picked, followed by landing a head on the coin toss. Are the events A and C mutually exclusive? O Yes, they are Mutually Exclusive. O No, they are not Mutually Exclusive. You roll two six-sided fair dice. a. Let A be the event that the first die is even and the second is a 2, 3, 4 or 5. P(A) = (round your answer to four decimal places) b. Let B be the event that the sum of the two dice is a 7. P(B) = (round your answer to four decimal places) c. Are A and B mutually exclusive events? O No, they are not Mutually Exclusive. O Yes, they are Mutually Exclusive. d. Are A and B independent events? O They are Independent events. O They are not Independent events. Hint: Mutually Exclusive Video on Probability ' [+]An experiment consists of first rolling a die and then tossing a coin. a. How many elements are there in the sample space? b. Let A be the event that either a 2, 3 or 4 is rolled first, followed by landing a head on the coin toss. P(A) = (round to four decimal places) c. Let B be the event that a number less than 2 is rolled, followed by landing a head on the coin toss. Are the events A and B mutually exclusive? O Yes, they are Mutually Exclusive O No, they are not Mutually Exclusive Hint: Mutually Exclusive Video on Probability &' [+] A and B are independent events. Use the following probabilities to answer the question. Round to 4 decimal places. P(A) = 0.12, P(A and B) = 0.01, find P(B). P(B) = Hint: Independent Events Video on Independent Events _ [+] CalculatorJ and K are independent events. P(J | K) = 0.33. Find P(J). P(J) = Hint: Independent Events [~ Video on Independent Events [ [+] Calculator Scratchwork Area Save . Question 34 & 0/1 pt 3 299 @ Details Suppose that you have 10 green cards and 5 yellow cards. The cards are well shuffled. You randomly draw two cards with replacement. Round your answers to four decimal places. (G1: The first card drawn is green. (G2: The second card drawn is green. a. P(G1 and G2) = b. P(At least 1 green) = C. P(G2 | Gl) d. Are G1 and G5 independent? O They are independent events O They are dependent events 57% of all the town's residents own a dog and 70% own a cat. Of the dog owners, 43% also own a cat. If a town resident is chosen at random, find the following probabilities. (round to 4 decimal places where possible) a. P(Own a Dog) = b. P(Own a Cat) = c. P(Own a Catand a Dog) = d. P(Own a Dog GIVEN Own a Cat) = Calculator Scratchwork Area