Mathematics, 29.10.2019 03:31 meababy2009ow9ewa
Of all customers purchasing automatic garage door openers, 75% purchase chain-driven model. let x = the number among the next 15 purchasers who select the chain-driven model.
a. what is the frequency function (pmf) of x?
b. compute p(x > 10).
c. compute p( x d. & rpsxwhdqgı2 .
e. if the store currently has in stock 10 chain-driven models and 8 shaft-driven models, what is the probability that at least 7 out of the 15 customers select a chain-driven model from this stock?
Answers: 1
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Of all customers purchasing automatic garage door openers, 75% purchase chain-driven model. let x =...
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