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For any normal distribution, the probability of randomly selecting a z-score less than z = 1.40 is p = 0.9192. a. True b. False
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For any normal distribution, the probability of randomly selecting a z-score less than z = 1.40 is p = 0.9192.

a. True
b. False

User Joe Tynan
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Use either a calculator or a table of z-scores to determine the area under the standard normal curve to the left of z=1.40.

According to my TI-83 Plus, this area (representing the probability in question) is 0.919. What is your conclusion here?
User Ray Foss
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