Let x denote the mean of a random sample of size 25 from

Let x denote the mean of a random sample of size 25 from the distribution whose p.d.f. is f(x) = (x^3/4) for 0<x<2 and 0 otherwise.

a) Show that the population mean is 8/5 and variance is (8/75)

b) Find P(1.5<=X<=1.65)

Calculate the covariance give your answer correct to two : consider the following bivariate datapointabcdefghijx7405065257y7107170375a calculate the covariance. give your answer

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What are the average and standard deviation of the time in : for a certain musician his favorite brand of guitar picks is far more likely to chip accidentally and become useless

Let x denote the mean of a random sample of size 25 from : let x denote the mean of a random sample of size 25 from the distribution whose p.d.f. is fx x34 for 0ltxlt2 and 0

Mens heights are normally distributed with a mean of 695 : mens heights are normally distributed with a mean of 69.5 in. and standard deviation of 2.4 in. womens heights are

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1 when performing a hypothesis test and the population : 1. when performing a hypothesis test and the population standard deviation is known what is the p-value for a

When performing a hypothesis test and the population : 1. when performing a hypothesis test and the population standard deviation is known what is the p-value for a