Asked by Rachel
Given that x is a normally distributed random variable with a mean of 60 and a standard deviation of 10, find the P(56 < x <74). Please show all your work and write your answer in a complete sentence.
Using the information from question 1, what percentage of the population will have an "x" value greater than 56 orP(x>56.)Please write your answer in a complete sentence.
Using the information from question 1, what percentage of the population will have an "x" value greater than 56 orP(x>56.)Please write your answer in a complete sentence.
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to your Z scores.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to your Z scores.
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