Potential partners for a dance-distribution and parameters

Reference no: EM1391251

You randomly call friends who could be potential partners for a dance. You think that they all respond to your requests independently of each other, and you estimate that each one s 7% likely to accept your request. Let X denote the number of calls to successfully get a date.

a) What are the distribution and parameters of X?

b) How many calls do you expect to make to get a date?

c) What is the probability you get a date on the 12th call?

d) What is the probability it takes you at least 10 calls to get a date?

e) What is the probability it takes you no more than 15 calls to get a date?

f) Given you've already called 8 people and still do not have a date, what is the probability it will take less than 14 calls?

Reference no: EM1391251

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