(solution) ATM Withdrawals According to Crown ATM Network

(solution) ATM Withdrawals According to Crown ATM Network

ATM Withdrawals According to Crown ATM Network, the mean ATM withdrawal is $67. Assume that the standard deviation for withdrawals is $35.(a) Do you think the variable “ATM withdrawal” is normally distributed? If not, what shape would you expect the variable to have?(b) If a random sample of 50 ATM withdrawals is obtained, describe the sampling distribution of x, the mean withdrawal amount.(c) Determine the probability of obtaining a sample mean withdrawal amount between $70 and $75.