Purchase Solution

Probability based on normal distribution.

Not what you're looking for?

Ask Custom Question

See attached file.

The length of time to complete a a full service oil change is normally distributed with a mean of 15.8 minutes with a standard deviation of 2.2 minutes.

Refer to table 4A megastat output attached.

A) Analyze the output determine what percentage complete full oil change will fall between 15 and 21 minutes

B) What percentage of complete full oil change will take less than 11 minutes? If 1000 cars have oil change how many do you ecpect to finish in less than 11 minutes?

Purchase this Solution

Solution Summary

Step by step method for computing probability based on Normal distribution in Megastat.

Purchase this Solution


Free BrainMass Quizzes
Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

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.