The average daily high temperature in June in LA is 77F with a standard deviation of 5F.

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The average daily high temperature in June in LA is 77°F with a standard deviation of 5°F. Suppose that the temperatures in June closely follow a normal distribution.

(a) What is the probability of observing an 83°F temperature or higher in LA during a randomly chosen day in June?

(b) How cool are the coldest 10% of the days (days with lowest high temperature) during June in LA?

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OpenIntro Statistics

ISBN: 9781943450077

4th Edition

Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr

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