Suppose x has a distribution with a mean of 30 and a standard deviation of 4. Random samples of size n = 64 are drawn. (a) Describe the x distribution. Ox has a binomial distribution. x has an unknown distribution. x has an approximately normal distribution. has a Poisson distribution. Ox has a normal distribution. O x has a geometric distribution. Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) Hx=30 0x = (b) Find the z value corresponding to x = 29. (Enter an exact number.) Z = (c) Find P(X < 29). (Enter a number. Round your answer to four decimal places.) P(x < 29) =

MATLAB: An Introduction with Applications
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Suppose x has a distribution with a mean of 30 and a standard deviation of 4. Random samples of size n = 64 are drawn.

 
Suppose x has a distribution with a mean of 30 and a standard deviation of 4. Random samples of size n = 64 are drawn.
(a) Describe the x distribution.
Ox has a binomial distribution.
x has an unknown distribution.
O x has a normal distribution.
x has an approximately normal distribution.
x has a Poisson distribution.
Mx =
Compute the mean and standard deviation of the distribution. (For each answer, enter a number.)
ox
x has a geometric distribution.
30
(b) Find the z value corresponding to X = 29. (Enter an exact number.)
Z =
(c) Find P(x < 29). (Enter a number. Round your answer to four decimal places.)
P(x < 29) =
Transcribed Image Text:Suppose x has a distribution with a mean of 30 and a standard deviation of 4. Random samples of size n = 64 are drawn. (a) Describe the x distribution. Ox has a binomial distribution. x has an unknown distribution. O x has a normal distribution. x has an approximately normal distribution. x has a Poisson distribution. Mx = Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) ox x has a geometric distribution. 30 (b) Find the z value corresponding to X = 29. (Enter an exact number.) Z = (c) Find P(x < 29). (Enter a number. Round your answer to four decimal places.) P(x < 29) =
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