Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the...

Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies.

Here are summary statistics for randomly selected weights of newborn girls:

n=241, x=33.8hg, s=7.3hg. The confidence level is 99%.

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

tα/2=___

(Round to two decimal places as needed.)

zα/2=___

(Round to two decimal places as needed.)

Neither the normal distribution nor the t distribution applies.

Jun 01, 2022

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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the...

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Assume that we want to construct a confidence interval. Do one of the​ following, as​ appropriate: (a) find the critical value tα/2​, (b) find the critical value zα/2​, or​ (c) state that neither the...

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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the...