Find the probability that 2 or more repair calls will be received in the next hour.

Find the probability of throwing a sum of 8 at least 2 times 8 throws of a pair of fair 6-sided dice. Answer to the nearest 0.0001.

The exponential variable describes time between trains to NYC's subway station in the Downtown. The average  number of trains is 8 per one hour. Find the probability that more than 10 minutes will elapse between two trains?

An intersection is equipped with video surveillance cameras. The average number of times the intersection stop sign is run is 2 times per day. Calculate the probability that the intersection stop sign is run exactly 4 times per 2 days. Round to 3 decimal places.

Find the probability that a driver with at least one collision in the past year is a middle aged adult driver.

A machine has 32 identical components which function independently. The probability that a component will fail is 0.28. The machine will stop working if more than three components fail. Find the probability that the machine will be working.  Round to the nearest thousandth.

Larry and Curly decide to have a chess match. The probability of Larry winning is 0.4. Each time Larry wins, he gains confidence and the probability of winning the next game increases by 0.1. Each time he loses, his confidence goes down and his probability of winning the next game decreases by 0.05. Determine the probability that in a three game match Larry wins at least two games.   please write clearly thank you.

A number cube is rolled three times in a row. Find the probability it will on land a 2 on the first roll, a 3 on the second roll, and a number greater than 5 on the third roll