A simple random sample of size n= 64 is obtained from a population that is skewed right with u= 86 and o = 8. (a) Describe the sampling distribution of x. (b) What is P (x> 87.7)? (c) What is P (xs83.8) ? (d) What is P (85.25

MATLAB: An Introduction with Applications
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I have the mean as 86, the sd =1

I need help with b, c and d parts

b greater than 87.7

c less than or equal to 83.8

85.25 less than or equal to x less than 88.5

 

A simple random sample of size n= 64 is obtained from a population that is skewed right with u= 86 and o = 8.
(a) Describe the sampling distribution of x.
(b) What is P (x> 87.7) ?
(c) What is P (xs 83.8) ?
(d) What is P (85.25 <x< 88.5) ?
Transcribed Image Text:A simple random sample of size n= 64 is obtained from a population that is skewed right with u= 86 and o = 8. (a) Describe the sampling distribution of x. (b) What is P (x> 87.7) ? (c) What is P (xs 83.8) ? (d) What is P (85.25 <x< 88.5) ?
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