Homework Answers
here for we know that for exponential distribution; mean =3 and variance =32 =9
therefore for n=36
estimated sample mean=3
and variance of sample mean =9/36
therefore :
option a) is correct ; it is approximately normal with a mean and variance of 3 and 9/36 respectively
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A random sample of n=36 observations is drawn from a population with a mean equal to...
A random sample of n=36 observations is drawn from a population with a mean equal to 24 and a standard deviation equal to 12. a. Give the mean and standard deviation of the (repeated) sampling distribution x over bar x. b Describe the shape of the sampling distribution of x over bar x. Does your answer depend on the sample size? c. Calculate the standard normal z-score corresponding to a value of x over bar x=19. d. Calculate the standard...
A random sample of n=36 observations is drawn from a population with a mean equal to25...
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Help with part e. A random sample of 36 observations is drawn from a population with...
Help with part e.
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answer please A random sample of n = 7 observations are drawn from a normal population...
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Help with part e.
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