Friday
December 19, 2014

Homework Help: statistics

Posted by nounou on Friday, July 16, 2010 at 4:48pm.

The time it takes to give a man a shampoo and haircut is normally distributed with a mean of 22 minutes and standard deviation of 3 minutes. Customers are scheduled every 30 minutes. (a) What is the probability that a male customer will take longer than the allocated time? *(b) If three customers are scheduled sequentially on the half hour, what is the probability that all three will be finished withintheir allocated half-hours time?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statisticss - The time taken by a man to deliver milk is normally distributed ...
statistics - The MacBurger restaurant chain claims that the waiting time of ...
statistics - Times for a surgical procedure are normally distributed. There are ...
Statistics - A hospital claims that the mean waiting time at its emergency room...
statistics - Waiting times at a doctor office are normally distributed with a ...
statistics - Suppose the amount of time it takes for statistics students to ...
stats - The time it takes to run a road race is normally distributed with a mean...
Stats - Suppose the time it takes for a purchasing agent to complete an online ...
statistics - Waiting times at a doctor office are normally distributed with a ...
Statistics - Suppose an automobile association reports that the average time it ...

Search
Members