Solved

The Average Waiting Time at the Checkout Counter for a Large

Question 155

Short Answer

The average waiting time at the checkout counter for a large grocery chain is 2.45 minutes with a standard deviation of 24 seconds (0.40 minutes).Assume that the distribution of waiting time is normal.What is the probability that a customer must wait more than 3 minutes for check out?

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q150: A salesman who uses his car extensively

Q151: The average labor time to sew a

Q152: Given that z is a standard normal

Q153: In any normal distribution,the mean,median,mode,and standard deviation

Q154: Scores of high school students on a

Q156: Identify the distribution shown in the following

Q157: If the area to the right of

Q158: Women make up 58% of the U.S.civilian

Q159: Using the standard normal table,the total area

Q160: Computer statistical packages,such as Excel and Minitab,can