The probability that a computer running a certain operating system crashes on any given day is 0.1. Find the probability that the computer crashes for the first time on the twelfth day after the operating system is installed.

A certain popular song is played on a radio station once in every 15 songs. Suppose you have a long commute to work and listen to 22 songs. What the probability that you will hear that popular song more than once?

A bag contains 20 white marbles, 6 red marbles, 11 blue marbles, and 8 yellow marbles. If a marble is drawn at random from the bag, find the probability that it is a red, blue, or yellow marble. Round your answer to three decimal places

According to a study, airline fatalities occur at the rate of 3.05 fatal accidents per 100 millions miles.Find the probability that, during the next 100 million miles of flight, there will bea. Exactly zero fatal accidents.b. At least one fatal accident.c. More than one fatal accident.

Suppose a basketball player has a 84% of making his free throws.  Assume that the free throws are independent of one another.  Suppose this player gets to shoot three free throws, what is the probability that he misses at least 1 free throw?

Atlanta experiences an average of one ice storm every 5 years. What is the probability that Atlanta has two ice storms in the next 3 years?

The probability of passing the AP Statistics exam is 0.88. Calculate the probability that a student failed it the first time but tried again next year and passed.

You roll a die five times. What is the probability that you will see a string of three or more consecutive ones?

A baseball player has a batting average of 0.31. What is the probability that he has exactly 4 hits in his next 7 at bats? In the box below, type in what you entered into the calculator to get your answers for each question. If you used the online Statistics Calcuator, indicate the screens used, and any values of input variables.

A courier service makes an average of 500 deliveries a week, plus / minus 50. The manager wants to know the probability that, on average, between 490 and 510 deliveries will be made during the next 30 weeks. Write your answer to 5 decimal places.