CUNY Hunter College Finding the Probability Questionnaire
Question Description
I’m working on a statistics question and need support to help me learn.
A population of values has a normal distribution with μ=157.7μ=157.7 and σ=74.4σ=74.4. You intend to draw a random sample of size n=238n=238.
Find the probability that a single randomly selected value is between 156.3 and 163.5.
P(156.3 < X < 163.5) =
Find the probability that a sample of size n=238n=238 is randomly selected with a mean between 156.3 and 163.5.
P(156.3 < M < 163.5) =
Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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