SOLUTION: A marketing manager makes the statement that the long-run probability that a customer would prefer the deluxe model to the standard model is 30%. 1.2.1 What is the probability th

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Question 864075: A marketing manager makes the statement that the long-run probability that a
customer would prefer the deluxe model to the standard model is 30%.
1.2.1 What is the probability that exactly 3 in a random sample of 10 customers will
prefer the deluxe model? (3)
1.2.2 What is the probability that more than 2 in a random sample of 10 customers
will refer the standard model? (3)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

p(prefer) = .30,  n = 10

P(x = 3) = binompdf(10, .3, 3) = .2668  0r 26.68%

P(x > 2) = 1 - binomcdf(10, .3, 1) = .6172   0r 61.72%