Concerning confidence intervals, which statement is most nearly correct Why not the others a We should use z instead of t when n is large b We use the Student 's t distribution when is unknown c Using the Student 's t distribution instead of z narrows the confidence interval ...

a Not true We should use z instead of t ...

Concerning confidence intervals, which statement is most nearly correct? Why not the others? a. We should use

Question:

Concerning confidence intervals, which statement is most nearly correct? Why not the others?
a. We should use z instead of t when n is large.
b. We use the Student's t when is unknown.
c. Using the Student's t instead of z narrows the confidence interval.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...