You research repair costs of computers and find that the population standard deviation is $50 Repeat Exercise 20, using the standard normal distribution with the appropriate calculations for a standard deviation that is known Compare the results Exercise 20 In a random sample of seven computers, th...

E z c n 196 50 7 3704 x E 110 3704 7296 147 ...

You research repair costs of computers and find that the population standard deviation is $50. Repeat Exercise

Question:

You research repair costs of computers and find that the population standard deviation is $50. Repeat Exercise 20, using the standard normal with the appropriate calculations for a standard deviation that is known. Compare the results.

Exercise 20
In a random sample of seven computers, the mean repair cost was $110.00 and the standard deviation was $44.50.

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...