Suppose x has a distribution with μ = 60 and σ = 17. (a) If random samples of size n = 16 are selected, can we say anything about the x distribution of sample means? No, the sample size is too small....


Supposex has a distribution with μ = 60 and σ = 17.


(a) If random samples of sizen = 16 are selected, can we say anything about the x distribution of sample means?
No, the sample size is too small.

Yes, the x distribution is normal with mean μ x = 60 and σ x = 4.25.

 Yes, the x distribution is normal with mean μ x = 60 and σ x = 17

Yes, the x distribution is normal with mean μ x = 60 and σ x = 1.1.


(b) If the originalx distribution isnormal, can we say anything about the x distribution of random samples of size 16?
No, the sample size is too small.

Yes, the x distribution is normal with mean μ x = 60 and σ x = 17.

Yes, the x distribution is normal with mean μ x = 60 and σ x = 1.1.

Yes, the x distribution is normal with mean μ x = 60 and σ x = 4.25.


(c) Find
P(56 ≤ x ≤ 61). (Round your answer to four decimal places.)


Jun 02, 2022
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