|A normal population has a mean of 19 and a standard deviation of 4.|
|a.||Compute the?z?value associated with 23.?(Round your answer to 2 decimal places.)|
What proportion of the population is between 19 and 23??(Round ?z-score computation to 2 decimal places and your final answer to 4 decimal places.)
What proportion of the population is less than 17??(Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)
A Normal Distribution
? = 19
for x = 23, Standardized value of z-score is given by:
? 23 ? (19)
4 for x = 23, z = 1
This is 1 standard deviations above the mean.
This question was answered on: Sep 18, 2020
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