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Take a Test Caroline Wu Secure https:// www.mathxl.com /Student/PlayerTest.aspx?testld 1569 28919&centerwin; yes STAT 50-35090 Spring 2017 Caroline Wu & I 4/9/17 3:20 PM Quiz: Chapter 5 Quiz Submit Quiz This Question: 1 pt 5 of 9 This Quiz: 90 pts possible Assume that a procedure yields a binomial distribution with 2 trials and a probability of success of 0.50. Use a binomial probability table to find the probability that the number of successes is exactly 2 E Click on the icon to view the binomial probability table The probability that the number of successes is exactly 2 is (Round to three decimal places as needed.) Enter your answer in the answer box. Save for Later

Explanation / Answer

n = 2

p = 0.5

q = 0.5

P(x=2) = 2C2 x 0.52 = 0.25

So, the probability that the number of of successes is exactly 2 is 0.25

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