Friday
August 29, 2014

Homework Help: maths

Posted by kate on Sunday, August 26, 2007 at 12:26am.

the police officer also gathered data on the speedsx, in kilometers per hour (km/h) of some cars as they drove down the hill towards her car. the speed limit is 50 km/h. Analysis of the results showed that the speeds of cars were normally distributed with a mean speed of 56 km/h and a standard deviation of 8 km/h

Cars that exceed the speed limit by 10km/h or more are photographed by a hidden camera. in peak traffic 495 cars pass the camera. how many would be expected to be photographed?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Maths - A police officer gathered data on the speeds, in kilometres per hour (km...
math - Samantha’s speedometer reads in kilometers per hour. If the legal speed ...
PHYSICS-URGENT HELP - A stationary police car emits a sound of frequency 1200 Hz...
Calculus - The police department must determine a safe speed limit on a bridge ...
statistics - A construction zone on Kings Road has a posted speed of 45 ...
physics - You are arguing over a cell phone while trailing an unmarked police ...
Physics - A car drives up a straight hill at a constant speed of 60 kilometers ...
mitx 8.01x Classical Mechanics - A motorist traveling with constant speed of vc...
physics - A motorist traveling with constant speed of vc = 16.0 m/s passes a ...
algebra - Her average rate traveling uphill was 1.8 kilometers per hour and her ...

Search
Members