Purchase Solution

Calculation of probability based on normal distribution

Not what you're looking for?

Ask Custom Question

The number of shark attacks per year in the US is distributed approximately normal, with a Variance of 31.8 and a standard deviation of 10.

A) Determine the number of shark attacks per year that separate the top 2% from the bottom 98 %

B) Determine the number of shark attacks per year that constitute the middle 80% of shark attacks per year.

Purchase this Solution

Solution Summary

This solution gives the step by step method for computing probabilities based on Z score.

Solution Preview

Probability problem...
The number of shark attacks per year in the US is distributed approximately normal, with a Variance Mean of 31.8 and a standard deviation of 10.

A) Determine the number of shark attacks per year that seperate the ...

Purchase this Solution


Free BrainMass Quizzes
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.

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.