an electronics store sends out a survey to seven new customers to determine if they are...

an electronics store sends out a survey to seven new customers to determine if they are satisfied with their purchase. Assume the probability a customer will be satisfied is 0.7.
a. What is the mean number of customers that will be satisfied?

b. What is the standard deviation of the number of customers satisfied? 4. What is the probability of exactly five customers being satisfied?

c. What is the probability of at least one customer being satisfied? (Hint: use the compliment of “at least one”. Give the answer to seven places to the right of the decimal point

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orchestra answered 1 year ago

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