Where is your attempt to do these problems?
They are straightforward if tedious applications of the binomial distribution.
According to a recent survey, 65% of all customers will return to the same grocery store. Suppose 11 customers are selected at random,what is the probability that
A) exactly 5 will return?
B) all 11 will return?
C) at least 6 will return
D) at least one will return
E) how many customers would be expected to return to the same store
1 answer