When a biologist wishes to estimate the mean time that such sharks stay immobile by inducing tonic immobility in each of a sample of 12 sharks, find the probability that mean time of immobility in the sample will be between 10 and 13 minutes?

How many 1/4 cups goes into 2 2/4 cups

You have money in an account at 6% interest, compounded monthly. To the nearest year, how long will it take for your money to double.

What is the probability out of a 52 deck of cards that a jack or a heart are pulled

Given the list of terms 1/3 , 1, 5/3, 7/3, ... Find the 15th and - 16th term.

How would you explain to a friend, the process for finding the total surface area of a cylinder using the net of a cylinder?

A deposit of $12,000 is made into a savings account which earns 4 3/5 % interest compounded quarterly. If no additional deposits or withdrawals are made, which amount is the total balance at the end of 3 years? A) $13,733.34 B) $13,754.19 C) $13,764.

A rope is 54 inches and must be cht into two pieces. If one piece must be twice as long as the other, find the shortest piece

A vending machine takes only nickels and dimes. there are 5 times as many dimes as nickels in the machine. the face value of the coins is $4.00. how many of each coin are in the machine?

In the xy plane what is the y intercept of the graph of the equation y=2 (x+3) (x-4)

An archaeologist descends 22 feet into a canyon then climbs up 15 feet what is his final position