Probability from Z score
Not what you're looking for?
The lifetime of a super tough AAA battery is normally distributed wit mean of 28.5 hours and standard deviation of 5.3 hours. For a battery selected at random, what is the probability that the lifetime will be? Use given data, requirement and sketch of normal curve labled to solve;
a) 25 hours or less
b) 34 hours or more
c) between 25 and 34 hours
Purchase this Solution
Solution Summary
This solution gives the step by step method for computing probabilities based on Z score.
Solution Preview
Having trouble and need assistance with the following question. Please show and explain how to reach the correct answer. Thank you.
The lifetime of a super tough AAA battery is normally distributed wit mean of 28.5 ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
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.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
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.