3. The average adult has completed an average of 13.5 years of education with a standard deviation of 2 years. A random

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3. The average adult has completed an average of 13.5 years of education with a standard deviation of 2 years. A random

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3 The Average Adult Has Completed An Average Of 13 5 Years Of Education With A Standard Deviation Of 2 Years A Random 1
3 The Average Adult Has Completed An Average Of 13 5 Years Of Education With A Standard Deviation Of 2 Years A Random 1 (26.93 KiB) Viewed 144 times
3. The average adult has completed an average of 13.5 years of education with a standard deviation of 2 years. A random sample of 90 adults is obtained. What is the probability that the sample will have a mean, (10%) (a) greater than 14 years? (b) between 12 and 14 years?
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