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# Probability : Normal Distribution

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The lifetime of interactive computer chips produced by a certain semiconductor manufacturer are normally distributed with parameters &#956;=1.4x10^6 hours and &#963;=3x10^5 hours. What is the approximate probability that a batch of 100 chips will contain at least 20 whose lifetimes are less than 1.8x10^6?

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Probability and a Normal Distribution are investigated. The response received a rating of "5/5" from the student who originally posted the question.

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• BSc, Dokuz Eylul University
• MBA, Texas A&M University-Kingsville
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##### 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.