Mathematics, 17.03.2020 20:40, keiolanibrooks
Customers make purchases at a convenience store, on average, every fourteen minutes. It is fair to assume that the time between customer purchases is exponentially distributed. Jack operates the cash register at this store.
a-1. What is the rate parameter
λ
? (Round your answer to 4 decimal places.)
Rate parameter
λ
a-2. What is the standard deviation of this distribution? (Round your answer to 1 decimal place.)
Standard deviation
b. Jack wants to take a ten-minute break. He believes that if he goes right after he has serviced a customer, he will lower the probability of someone showing up during his ten-minute break. Is he right in this belief?
Yes No
c. What is the probability that a customer will show up in less than ten minutes? (Round intermediate calculations to 4 decimal places and final answer to 4 decimal places.)
Probability
d. What is the probability that nobody shows up for over forty minutes? (Round intermediate calculations to 4 decimal places and final answer to 4 decimal places.)
Probability
Answers: 2
Mathematics, 21.06.2019 21:40, angellynn581
The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.
Answers: 1
Mathematics, 21.06.2019 21:50, Animallover100
What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?
Answers: 3
Mathematics, 21.06.2019 22:30, winterblanco
How do you do the foil method with polynomials?
Answers: 1
Customers make purchases at a convenience store, on average, every fourteen minutes. It is fair to a...
History, 04.07.2019 18:00
Spanish, 04.07.2019 18:00
Biology, 04.07.2019 18:00
Mathematics, 04.07.2019 18:00
History, 04.07.2019 18:00
English, 04.07.2019 18:00
Biology, 04.07.2019 18:00