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A hotel claims that 90​% of its customers are very satisfied with its service. Complete parts...

A hotel claims that 90​% of its customers are very satisfied with its service. Complete parts a through d below based on a random sample of eight customers.

a. What is the probability that exactly seven customers are very​ satisfied?

b. What is the probability that more than seven customers are very​ satisfied?

c. What is the probability that less than six customers are very​ satisfied?

d. Suppose that of eight customers​ selected,two responded that they are very satisfied. What conclusions can be drawn about the​ sample?

Math   Statistics-And-Probability   
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