Purchase Solution

# Normal Distribution

Not what you're looking for?

The time needed to complete the final examination of MGSC 301 is normally distributed with a mean of 120 minutes and a standard deviation of 12 minutes.

a. What is the probability that a student will finish the examination in two hours or more?
b. What is the probability that a student will finish the examination in more than 100 minutes but less than 150 minutes?
c. What is the probability that a student will finish the examination in more than 140 minutes?

##### Solution Summary

Calculates probability using Normal Distribution.

##### Solution Preview

The time needed to complete the final examination of MGSC 301 is normally distributed with a mean of 120 minutes and a standard deviation of 12 minutes.

a) What is the probability that a student will finish the examination in two hours or more?

Mean=2 hours = 120 minutes
Probability of exceeding mean = 50% as the normal distribution is symmetrical

Mean=M = 120 minutes
Standard deviation =s= 12 minutes
x= 120 minutes ...

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.