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# Normal distribution

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An airline wants to find out how long it takes for a travel agent to complete an airline ticket order from a computer terminal. Assume that the mean transaction time is 150 seconds. also assume that the population of transaction times has normal frequency curve. Find the probability that the 150 and 175 seconds to complete if standard deviation is 30 seconds.

##### Solution Summary

This shows how to compute probability for a given situation and standard deviation.

##### 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.

##### 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.