Statistics and Probability

A group of people were asked If they had run a red light In the last year. 484 responded 'yes", and I I15 responded 'no'. Find the probabilitythat if a person is chosen at random. they have run a red light In the last year. 1 A test was given to a group of students. The grades and gender are summarized below If one student ls chosen at random from those who took the test, Find the probability that the student was male GIVEN they got a '3'. Austin buys a bag of cookies that contains 5 chocolate chip cookies. 7 peanut butter cookies, 4 sugar cookies and B oatmeal raisin cookies. What is the probability that Austin randomly selects a chocolate chip cookie from the bag, eats It, then randomly select: another chocolate chip cookie? Express your answer as a reduced fraction. _ ____.._ A jar contains 4 red marbles numbered 1 to 4 and 10 blue marbles numbered 1 to 10. A ~ marble is drawn at random from the jar. Find the probability of the given event. (a) The marble is red (b) The marble is odd-numbered (c) The marble is red or odd-numbered (d) The marble is blue and even-numbered A boy owns 3 pairs of pants, 2 shirts. 5 ties, and Bjackets How many different outts can he wear to school if he must wear one of each item? He can wear different outts. they win 50.000 dollars. Otherwise, they lose 51. What is the expected value of this game? Sl:] ( in a lottery game, a player picks six numbers from 1 to 27. If the player matches all six numbers, The data in the gure below represents the number of stars earned by 140 performers in a talent competition. (ll-140] -->.ru m m pawl-geotlia'bnnors at a I] 1 2 3 4 5 may at me How many performers earned exactly 5 stars? (be careful - compare the question wording to the scale on the graph) Kara categorized her spending for this month Into four categories: Rent. Food, Fun, and Other. The amounts she spent in each category are pictured here. Q What percent of her total spending did she spend on Food? Answer to the nearest whole percent