SOLUTION: A recent survey found that 62% of adults misplace their car keys on a regular basis. Assume a sample size of 42 adults.
A)Find the probability that fewer than 28 adults misplace
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Question 751448: A recent survey found that 62% of adults misplace their car keys on a regular basis. Assume a sample size of 42 adults.
A)Find the probability that fewer than 28 adults misplace their keys on a regular basis.
B) Find the probability that more than 30 adults misplace their keys on a regular basis.
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
X ~ Binomial(42, 0.62)
a. P(X < 28) = =
b. P(X > 30) = =
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