Question 1 of 20
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Suppose a random variable, x, arises from a binomial experiment. If n = 25, and p = 0.85, find

Question 2 of 20
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If random variable X has a binomial distribution with n=15 and P(success) =p= 0.6, find the

Question 3 of 20
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Suppose a random variable, x, arises from a binomial experiment. If n = 14, and p = 0.13, find

Question 4 of 20
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Approximately 8% of all people have blue eyes. Out of a random sample of 20 people, what is
the probability that at most 2 of them have blue eyes? Round answer to 4 decimal places.

P(x
, in Excel
=BINOM.DIST(2,20,0.08,TRUE)
Question 5 of 20
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Approximately 10% of all people are left-handed. If 200 people are randomly selected, what is
the expected number of left-handed people? Round to the whole number. Do not use decimals.

Part 2 of 6 - Contingency Table Knowledge Check Practice
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