5.2.27-T Assigned Media Question Help Based on a poll 60% o adults believe in re

Question

5.2.27-T Assigned Media Question Help Based on a poll 60% o adults believe in rencar abon. Assume that 7 adults are randonly selected, and find the indicated probability. Complete parts a below d) through a. What is the probability that exactly 6 of the selected adults believe in reincarnation? The probability that exacty 6 of the 7 adults believe in reincarnation is 0131. (Round to three decimal places as needed.) b. What is the probability that all of the selected adults believe in reincamation? The probablity that all of the selected adults believe in reincarnation is (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer 2 pearsang Clear All (Math 2050- 011 SU 18 Online) is based on Triola: Elementary Statistics, 13e 018 Pearson Education

Explanation / Answer

Here we have n = 7, p = 0.60

p ( X = x ) = n Cx * px * ( 1 - p )n-x

a) p ( x = 6 ) = 7 C6 * 0.606 * ( 1 - 0.6 )7-6

= 0.131

b) p ( x = 7 ) =  7 C7 * 0.607 * ( 1 - 0.6 )7-7

= 0.028

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