SOLUTION: 42% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidenc
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Question 1206290: 42% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is (a) exactly five, (b) at least six, and (c) less than four.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
This is a binomial distribution problem, you can use this calculator:
https://stattrek.com/online-calculator/binomial
(a) exactly five
given:
number of trials:
number of success trial:
probability of success on a single trial:
(b) at least six
(c) less than four
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