Author Question: The time between arrivals at an ATM machine follows an exponential distribution with = 10 minutes. ... (Read 140 times)

SAVANNAHHOOPER23 · **on:** Jun 24, 2018

The time between arrivals at an ATM machine follows an exponential distribution with = 10 minutes. Find the mean and standard deviation of this distribution.

A) Mean = 3.16, Standard Deviation = 3.16 B) Mean = 10, Standard Deviation = 10
C) Mean = 10, Standard Deviation = 3.16 D) Mean = 10, Standard Deviation = 100

Question 2

P(-1 < x < 0 ) = P(0 < x < 1 ) for any random variable x that is normally distributed.

A) True B) False