Suppose x has a distribution with a mean of 90 and a standard deviation of 27. Random samples of size n36 are drawn. A USE SALT (a) Describe the x distribution and compute the mean and standard deviation of the distribution. x has an approximately normalv distribution with mean and standard deviation . (b) Find the z value corresponding to x94.5. (c) Find P(x< 94.5). (Round your answer to four decimal places.) P < 94.5) -

MATLAB: An Introduction with Applications
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Suppose x has a distribution with a mean of 90 and a standard deviation of 27. Random samples of size n 36 are drawn.
A USE SALT
(a) Describe the x distribution and compute the mean and standard deviation of the distribution.
x has an approximately normal
distribution with mean
and standard deviation e.
(b) Find the z value corresponding to x94.5.
(c) Find P(x < 94.5). (Round your answer to four decimal places.)
P(x < 94.5)-
(d) Woult ie
Transcribed Image Text:Suppose x has a distribution with a mean of 90 and a standard deviation of 27. Random samples of size n 36 are drawn. A USE SALT (a) Describe the x distribution and compute the mean and standard deviation of the distribution. x has an approximately normal distribution with mean and standard deviation e. (b) Find the z value corresponding to x94.5. (c) Find P(x < 94.5). (Round your answer to four decimal places.) P(x < 94.5)- (d) Woult ie
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