b.) p(make your sale on the frist, second, or third call)=_____(round to three d
ID: 3354099 • Letter: B
Question
b.) p(make your sale on the frist, second, or third call)=_____(round to three decimal places as needed)
c.) p(do not make a sale on the first three calls)=______(round to three decimal places as needed)
d.) which of the events are unusual? select all that apply
a. the event in part a "make your first sale on the fifth call" is unusual
b. the event in part b "make your sale on the first second or third call" is unusual
c. the even in part c "do not make a sale on the first three calls" is unusual
d. none of the events are unusual
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual. If convenient, use the appropriate probability table or technology to find the probabilities Assume the probability that you will make a sale on any given telephone call is 0.17. Find the probability that you (a) make your first sale on the fifth call, (b) make your sale on the first, second, or third call, and (c) do not make a sale on the first three calls. (a) P(make your first sale on the fifth call) (Round to three decimal places as needed.)Explanation / Answer
a) P(Make sales on fifth call) = (0.83)4 * 0.17 = 0.081
b) P(Make sales on first, second or third call) = 0.17 + 0.83*0.17 + 0.832 * 0.17 = 0.428
c) P(Do not make sales on first three calls) = 1 - 0.428 = 0.572
d) Option D is correct since none of the probabilities are less than 0.05.
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