Determine whether the statement is true or false. If it is false, which statement would make it true? A sampling distribution is normal only if the population is normal. O The statement is true. O The statement is false. A sampling distribution is normal if either n> 30 or the population is normal. O The statement is false. A sampling distribution is normal only if n 2 30 O The statement is false. A sampling distribution is never normal.

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Determine whether the statement is true or false. If it is false, which statement would make it true?
A sampling distribution is normal only if the population is normal.
O The statement is true.
O The statement is false. A sampling distribution is normal if either n > 30 or the population is normal.
O The statement is false. A sampling distribution is normal only if n 2 30
O The statement is false. A sampling distribution is never normal.
A population has a mean u= 141 and a standard deviation a=26. Find the mean and standard deviation of the
sampling distribution of sample means with sample size n = 56.
O The mean is 141 and the standard deviation is 3.474
O The mean is 141 and the standard deviation is 26
O The mean is 18.84 and the standard deviation is 3.474
The mean is 18.84 and the standard deviation is 26
Transcribed Image Text:Determine whether the statement is true or false. If it is false, which statement would make it true? A sampling distribution is normal only if the population is normal. O The statement is true. O The statement is false. A sampling distribution is normal if either n > 30 or the population is normal. O The statement is false. A sampling distribution is normal only if n 2 30 O The statement is false. A sampling distribution is never normal. A population has a mean u= 141 and a standard deviation a=26. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 56. O The mean is 141 and the standard deviation is 3.474 O The mean is 141 and the standard deviation is 26 O The mean is 18.84 and the standard deviation is 3.474 The mean is 18.84 and the standard deviation is 26
Find the z-score for which 62.17% of the distribution's area lies to its right.
O 0.31
-0.31
O 1.12
O -1.12
A z-score must always be between what two numbers?
O O and 1.0000
the z-score can be any real number
-0.5000 and 0.5000
-1.000 and 1.000
Transcribed Image Text:Find the z-score for which 62.17% of the distribution's area lies to its right. O 0.31 -0.31 O 1.12 O -1.12 A z-score must always be between what two numbers? O O and 1.0000 the z-score can be any real number -0.5000 and 0.5000 -1.000 and 1.000
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