The time between arrivals at an ATM machine follows an ...

[SAVANNAHHOOPER23]

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

[aruss1303]

Answer to Question 1

B

Answer to Question 2

B

[SAVANNAHHOOPER23]

Great answer, keep it coming

[ryhom]

Thanks for the timely response, appreciate it