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2) At a small store, a customer enters the front door on average every 8 minutes. A prior study indicated that

the time between customers entering the front door during weekdays follows an exponential distribution. What is the probability that the time between customers entering the store on a weekday will be less than or equal to 7?

Select one:

a. .62

b. .43

c. 1/8

d. 7/8

e. .58

May I know if e. .58 is correct answer with below computation?

> pexp(7,1/8)

[1] 0.583138

If my answer is incorrect, would you explain the correct answer?

Top Answer

f ( x ; ) = 1 . e x ; x>0; >... View the full answer

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