Jessica has $70,000 in the bank and is earning 5% compounded monthly. She plans to purchase a used car, for which the down payment is $500 and the monthly payments are $280? Will her monthly interest cover the cost of the down payment? Explain?

Will her monthly interest cover the cost of the monthly payment? show work please

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Can someone check if i did this correct. it’s number 4 if you’re wondering.