A website manager has noticed that during the eveninghours, about 1.6 people per minute check out from their shoppingcart and make an online purchase. She believes that each purchaseis independent of the others and wants to model the time betweenpurchases. Complete parts a through c.
a) What model would you use to model the timebetween events?
-Binomial
-Exponential
-Normal
-Geometric
b) What is the mean timebetween purchases?
The mean time between purchases is ___ minutes.
(Round to four decimal places as needed.)
c) What is the probability that the time to the nextpurchase will be between 1 and 2 minutes?
P(1≤X≤2)= ___
(Round to four decimal places as needed.)
A website manager has noticed that during the evening hours, about 1.6 people per minute check out from their shopping c
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