Note: each bound should be rounded to three decimal places. a random sample of n=100 observations produced a mean of x⎯⎯=36 with a standard deviation of s=5.
(a) find a 90% confidence interval for μ lower-bound: upper-bound:
(b) find a 99% confidence interval for μ lower-bound: upper-bound:
(c) find a 95% confidence interval for μ lower-bound: upper-bound:

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?