Question
Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly...
Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly selected, and find the indicated probability.
A. What is the probability that exactly 7 of the selected adults believe in reincarnation?
b. What is the probability that all of the selected adults believe in reincarnation?
c. The probability that at least 7 of the selected adults believe in reincarnation?
d. If 8 adults are randomly selected, is 7 a significantly high number who believe in reincarnation? Why?
Homework Answers
Answer #1
(a) The probability of believing in reincarnation, p=60% or 0.6.
The probability of non-believe, q=0.4.
The formula for binomial probability is given by,
(b). 
(c) 
(d) If 8 adults are randomly selected, 7 is not a significantly high number who believe in reincarnation because there is only 8.9% or 0.089 probability.
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