Find the percentage of sums between 1.5 standard deviations below the mean and one standard deviation above the mean.
MEAN is used to calculate the entire data in statistical terms.
The sample size of forty is randomly drowned from cholesterol with mean and standard deviation. The mean of sums is given as:
The sum that is the standard deviation below the mean of the sum is given as;
The percentage for the sums between the standard deviation below the mean of sums and the standard deviation above the mean of the sum is 77.45%.
The percentage for the given standard deviation is 77.45%.
Yoonie is a personnel manager in a large corporation. Each month she must review of the employees. From past experience, she has found that the reviews take her approximately four hours each to do with a population standard deviation of hours. Let Χ be the random variable representing the time it takes her to complete one review. Assume Χ is normally distributed. Let x- be the random variable representing the meantime to complete the reviews. Assume that the reviews represent a random set of reviews.
What causes the probabilities in Exercise andExercise to be different?
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