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A random sample size of n= 100 observations is selected from a population with u= 29 and standard deviations is 21 .Approximate the probabilities shown
A random sample size of n= 100 observations is selected from a population with u= 29 and standard deviations is 21 .Approximate the probabilities shown below A= P(x greater than or equal to 28) B= P(22.1 less than or equal to X less than or equal to 26.8) C= P(x bar less than or equal to 28.2) D=P(xbar greater than or equal to 27.0)
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