Saturday
April 18, 2015

Homework Help: statistics

Posted by Nesa on Friday, May 11, 2012 at 12:53am.

A construction zone on Kings Road has a posted speed of 45 kilometers per hour. The speeds of vehicle passing through this construction zone are normally distributed with a mean of 46 kilometers per hour and a standard deviation of 4 kilometers per hour. Find the percentage of vehicles passing through this construction that are
i) Exceeding the posted speed limit.
ii) Traveling at speeds between 50 and 55 kilometers per hour

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

calculus - At noon, you and I start at the same place, and then you head east at...
math - Samantha’s speedometer reads in kilometers per hour. If the legal speed ...
statistics - It is claimed that an automobile is driven on the average more than...
MATH - Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per ...
math - Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per ...
math - Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers ...
math - Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers ...
math - Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers ...
math - Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers ...
Pre algebra - A cyclist rides her bike at a speed of kilometers per hour. What ...

Members