Quiz: Chapter 9 quiz This Question: 12 pts Time Remaining: 01:11:40 Submit Qui 2

Question

Quiz: Chapter 9 quiz This Question: 12 pts Time Remaining: 01:11:40 Submit Qui 2 of 4 (2 complete) This Quiz: 50 pts possibl In a large business statistics class, the professor has each person select stocks by throwing 16 darts at pages of a business newspaper. They then check to see whether their stock picks rose or fell the next day and report their proportion of "successes. As a lesson, the professor has selected pages of the newspaper for which exactly half the publicly traded stocks went up and half went down. The professor then makes a histogram of the reported proportions. Complete parts a through d below a) What shape would you expect this histogram to be? Why? A. O B. Skewed left, because probabilities of success and failure are equal O C. Skewed right, because probablities of success and failure are equal 0 D. Skewed right because probabilities of success and failure are not equal Symmetric, because probabilities of success and failure are not equal E. Skewed left, because probabilities of success and failure are not equal F. Symmetric, because probabilities of success and failure are equal b) Where do you expect the histogram to be centered? OA. 0.5 If B. 0.75 ley C: 025 Click to select your answer

Explanation / Answer

a) Option-F) Symmetric, because probabilities of success and failure are equal

b) Option-A) 0.5                                                                                                                                                                                                                                                                                                                                                                                                           

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