Question

Suppose that x has a distribution with  and . If a random sample is taken of size n = 37, find

Answer 1

I think your complete question is:

"Suppose that x has a distribution with μ = 10 and σ = 4. If a random sample is taken of size n = 37, find σ x"

It can be solved as:

Since n>30, we can use central limit theorem. So,

=

= 4/

= 0.6576

If you want to find:

= μ = 10

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