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A normal distributed population has...

A normal distributed population has parameters

μ

=

243.2

and

σ

=

7.8

. If a random sample of size

n

=

126

is selected,What is the mean of the distribution of sample means?

μ

¯

x

=What is the standard deviation of the distribution of sample means? Round to two decimal places.

σ

¯

x

=

μ

=

243.2

and

σ

=

7.8

. If a random sample of size

n

=

126

is selected,What is the mean of the distribution of sample means?

μ

¯

x

=What is the standard deviation of the distribution of sample means? Round to two decimal places.

σ

¯

x

=

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