SOLUTION: Suppose the probability of making a sale on any given telephone call is 0.23. Find the probability that the first sale on any given day will occur on the fourth or fifth sales call

Algebra.Com
Question 871139: Suppose the probability of making a sale on any given telephone call is 0.23. Find the probability that the first sale on any given day will occur on the fourth or fifth sales call.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi

p(sale) = .23,   n = 5

P(x ≥ 4) = 1 - binomcdf(5, .23, 3) = .0114 

RELATED QUESTIONS


Assume the probability that you will make a sale on any given telephone call is 0.150.15.  (answered by Boreal)

Find the indicated probabilities using the geometric​ distribution, the Poisson​... (answered by ikleyn,greenestamps)

Find the indicated probabilities using the geometric​ distribution, the... (answered by robertb)

Find the indicated probabilities using the geometric​ distribution, the Poisson​... (answered by greenestamps)

Please help me solve thhis question:  A salesperson has a policy of calling upon a... (answered by Theo)

Suppose that 2500 customers subscribe to a telephone exchange. There are 80 trunk lines... (answered by CPhill)

A salesperson has a policy of calling upon a customer a second time if she does not make... (answered by mathmate)

A telemarketer makes 3 calls at random. The chance of making a sale on each call is 0.10.  (answered by stanbon)

a salesman has 60% chance of making  sale to a customer . i a given hour there 3... (answered by Boreal)