SOLUTION: 2. A shoe store’s records show that out of a 100 customers who made a purchase last week, 30 used credit cards to make payment. This morning 20 customers purchased shoes from the
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Question 622551: 2. A shoe store’s records show that out of a 100 customers who made a purchase last week, 30 used credit cards to make payment. This morning 20 customers purchased shoes from the store.
Find the probability that at least 12 of the customers used credit cards.
a) Define the random variable
b) What distribution will be used?
c) Represent the question as a probability statement.
d) Calculate the probability.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
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John
My calculator said it, I believe it, that settles it
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