Asked by Anony123
Answer the following questions. (a) The random variable x is distributed normally, with x~N(80,100) Find the probability that x is greater than 90. x >90. (b) Find P(x<85). (c) Find P(76<x<84).
Answers
Answered by
PsyDAG
Do not understand "x~N(80,100)".
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z scores.
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z scores.
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