Based on a​ poll, 50​% of adults believe in reincarnation. Assume that 4 adults are randomly​ selected, and find the indicated probability. Complete parts​ (a) through​ (d) below. a. What is the probability that exactly 3 of the selected adults believe in​ reincarnation? (round to three decimal places as needed) b. What is the probability that all of the selected adults believe in​ reincarnation?   (round to three decimal places as needed)   c. What is the probability that at least 3 of the selected adults believe in​ reincarnation?   (round to three decimal places as needed)   d. If 4 adults are randomly​ selected, is 3 a significantly high number who believe in​ reincarnation?   A. Yes​, because the probability that 3 or more of the selected adults believe in reincarnation is greater than 0.05. B. Yes​, because the probability that 3 or more of the selected adults believe in reincarnation is less than 0.05. C. No​, because the probability that 3 or more of the selected adults believe in reincarnation is greater than 0.05. D. No​, because the probability that 3 or more of the selected adults believe in reincarnation is less than 0.05.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 14T: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossed ten...
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Based on a​ poll, 50​% of adults believe in reincarnation. Assume that 4 adults are randomly​ selected, and find the indicated probability. Complete parts​ (a) through​ (d) below.

a. What is the probability that exactly 3 of the selected adults believe in​ reincarnation?

(round to three decimal places as needed)

b. What is the probability that all of the selected adults believe in​ reincarnation?
 
(round to three decimal places as needed)
 
c. What is the probability that at least 3 of the selected adults believe in​ reincarnation?
 
(round to three decimal places as needed)
 
d. If 4 adults are randomly​ selected, is 3 a significantly high number who believe in​ reincarnation?
 
A. Yes​, because the probability that 3 or more of the selected adults believe in reincarnation is greater than 0.05.
B. Yes​, because the probability that 3 or more of the selected adults believe in reincarnation is less than 0.05.
C. No​, because the probability that 3 or more of the selected adults believe in reincarnation is greater than 0.05.
D. No​, because the probability that 3 or more of the selected adults believe in reincarnation is less than 0.05.
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