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B myopenmath.com Chapters 5.1 - 5.2 Homework Score: 0/17 0/17 answered Progress saved Done :31 VEC. 0 Question 6 v l3 0/1 pt '0 3 8 99 6) Details In a lottery game, a player picks six numbers from 1 to 23. If the player matches all six numbers, they win 50,000 dollars. Otherwise, they lose S1. What is the expected value of this game? $ Question Help: 8 Message instructor Submit Question i myopenmath.com . Question 4 v E 0/1 pt 0 3 Z 99 G) Details Assume that 12 jurors are randomly selected from a population in which 75% of the people are Mexican-Americans. Refer to the probability distribution table below and find the indicated probabilities. -0 -- n- n n Find the probability of exactly 5 Mexican-Americans among 12 jurors. P(CL' : 5): Find the probability of 5 or fewer Mexican-Americans among 12 jurors. P(:c S 5): Does the occurrence of 5 Mexican-Americans among 12 jurors suggest that the selection process discriminates against Mexican-Americans? no yes Question Help: 8 Message instructor r Done 3 myopenmath.com AA (3 Chapters 5.1 - 5.2 Homework Score: 2.58/17 2/17 answered Progress saved Done (3) wlc. 0 Question 16 v IZO/1 pt '0 3 8 99 G) Details Suppose that a box contains 8 cameras and that 5 of them are defective. A sample of 2 cameras is selected at random without replacement. Define the random variable X as the number of defective cameras in the sample. Write the probability distribution for X. [T P(X = k) ' ' ' What is the expected value of X? Question Help: 8 Message instructor Submit Question U BU HEW i myopenmath.com Score: 2.58/17 2/17 answered Progress saved Done (SJ WC. 0 Question 13 V Ill/0H pt '0 3 Z 99 G) Details Approximately 10% of all people are left-handed. Consider 16 randomly selected people. a) State the random variable. 0 Select an answer b) List the given numbers with correct symbols. c) Explain why this is a binomial experiment. Check all that apply. O Whether or not one randomly selected person is left- handed will not affect whether or not another randomly selected person is left-handed O p = 10% remains constant from one randomly selected person to another C) There are a fixed number of people, 16 C) There are more than two outcomes for each person O Whether or not one randomly selected person is left- handed will affect whether or not another randomly selected person is left-handed C) There are only two outcomes for each person C) There is not a fixed number of people l.'._J LL _.-_I__L.'l.'a... 1.- A J__.'.___I _I____. E myopenmath.com Chapters 5.1 - 5.2 Homework Score: 0/17 0/17 answered Progress saved Done :31 VEC. 0 Question 5 v l3 0/1 pt '0 3 8 99 6) Details A bag contains 3 gold marbles, 8 silver marbles, and 28 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $4. If it is silver, you win $3. If it is black, you lose S1. What is your expected value if you play this game? _ Question Help: Video 8 Message instructor Submit Question Score: 2.58/17 2/17 answered Progress saved Done '3) WC. . Question 12 V B 0.14/1 pt '0 2-3 8 99 (9 Details Score on last try: 0.14 of 1 pts. See Details for more. > Next question 8 Get a similar question You can retry this question below The Ohio lottery has a game called Pick 4 where a player pays $1 and picks a four-digit number. If the four numbers come up in the order you picked, then you win $2900. a) Write the probability distribution for a player's winnings. Fill in the table below. For the computer to grade this one correctly make sure that your X values are from smallest to largest. P00 b) What are your expected winnings? Round final answer to 2 decimal places. Put correct units in the second box. E myopenmath.com . Question 15 V l3 0/1 pt '0 3 8 99 G) Details According to Masterfoods, the company that manufactures M&M's, 12% of peanut M&M's are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. You randomly select six peanut M&M's from an extra-large bag of the candies. (Round all probabilities below to four decimal places: your answer should look like 0.1234, not 0.1234444 or 12.34%.) Compute the probability that exactly two of the six M&M's are red: Compute the probability that two or three of the six M&M's are red: Compute the probability that at most two of the six M&M's are red: Compute the probability that at least two of the six M&M's are red: If you repeatedly select random samples of six peanut M&M's, on average how many do you expect to be red? M&M's With what standard deviation? M&M's murmur.\" unln. m MANMn ;n.-+r..,-+nr E myopenmath.com . Question 11 V 80.11/1 pt 00-3 298 @Details Score on last try: 0.11 of 1 pts. See Details for more. > Next question 23 Get a similar question You can retry this question below Suppose you have an experiment where you flip a coin three times. You then count the number of heads. a) State the random variable. :) Xo\" b) Write the probability distribution for the number of heads. Make sure to put the values of X from smallest to largest. c) If you were to draw a histogram for the number of heads, what shape would it be? Bellshaped C '/ 06 d) Find the mean number of heads. Round final answer to 3 decimal places. Write your units in the second box. B myopenmath.com c) If you were to draw a histogram for the number of heads, what shape would it be? Bellshaped e V o" d) Find the mean number of heads. Round final answer to 3 decimal places. Write your units in the second box. l Which of the following is the correct symbol for the mean of a probability distribution? ? Which of the following is the correct interpretation of the mean? ( If you flip a coin 3 times over and over, you can expect to get an average of \"0\" e) Find the standard deviation for the number of heads. Round final answer to 3 decimal places. Write your units in the second box. l Which of the following is the correct symbol for the standard deviation of a probability distribution? ? c f) Find the probability of having one or more heads. Question Help: Video 8 Message instructor Submit Question E myopenmath.com . Question 11 V 80.11/1 pt 00-3 298 @Details Score on last try: 0.11 of 1 pts. See Details for more. > Next question 23 Get a similar question You can retry this question below Suppose you have an experiment where you flip a coin three times. You then count the number of heads. a) State the random variable. :) Xo\" b) Write the probability distribution for the number of heads. Make sure to put the values of X from smallest to largest. c) If you were to draw a histogram for the number of heads, what shape would it be? Bellshaped C '/ 06 d) Find the mean number of heads. Round final answer to 3 decimal places. Write your units in the second box