Joe tosses a fair three-sided die 4 times.  What is the probability he rolls all threes? If necessary, round to 4 decimal places

Camilia sets up a passcode on her tablet, which allows only nine digit codes. A spy sneaks a look at Camilia's tablet and sees her fingerprints on the screen over nine numbers. What is the probability the spy is able to unlock the tablet on his first try? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

A basketball player has a 0.604 probability of making a three-point shot. What is the probability that it takes the player 5 tries to make a three-point shot? Round your answer to three decimals

The probability that a salmon swims successfully through a dam is 0.85. Find the probability that two salmon swim successfully through the dam. Round to four decimal places.

You roll a fair six sided die twice. Find the probability of rolling a 1 the first time and a number greater than 5 the second time. (Give the answer as a decimal with 4 digits)

Orson performs 7 exercises over the span of a week. 5 of his exercises involve skipping rope. If he randomly chose 4 exercises to do on Monday, what is the probability that all of them involve skipping rope? Write your answer as a decimal rounded to four decimal places.

Find the probability for a roll of two dice. Rolling  doubles (the same number on each dice). (Round your answer to 3 decimal places)

Terry purchases 30 scratch off lottery tickets. Each ticket has a 10% chance of winning. What is the probability that she has her first successful ticket on the 10th try?(Round to 4 decimal places)

Hospitals like to have electricity provided when there is a blackout. Assume that the backup generators fail 38% of the time. Find the probability of a hospital with 2 back up generators failing at the same time. Round to 4 decimal places. Find the probability of at least one generator working during a blackout. Round to 4 decimal places.

At LSU the probability that a student takes first semester calculus and first semester physics is 0.6. The probability that a student takes first semester calculus given that the student takes first semester physics is 0.88. Find the probability that a student takes first semester physics.