This is a binomial distribution with
Binomial distribution - Wikipedia, the free encyclopedia
for the first part you want k=4.
For the 2nd part the sum of the probabilties of 5 sales and 6 sales
1. The probability that a randomly chosen sales prospect (a buyer) will buy insurance is 0.2. If an insurance salesman calls on six prospects, what is the probability that:
i. He will make exactly for four sales.
He will make more than four sales.
where do i go from here
help please
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This is a binomial distribution with
Binomial distribution - Wikipedia, the free encyclopedia
for the first part you want k=4.
For the 2nd part the sum of the probabilties of 5 sales and 6 sales