Karita had $138.72 in her checking account. she wrote checks for $45.23 and $18.00. then she made a deposit of $75.85 into her account

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

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?

This is so hard and it’s for a test