The campus vets club is having a raffle and is selling 1,500 tickets. If the people on your floor of the dorm bought 255 of those tickets, what is the probability that someone on your floor will hold the winning ticket?

Andrew organised a technology career fair at his college. He did an excellent job recruiting 8 guest speakers, 6 of whom worked in business technology. If Andrew randomly assigns 4 speakers to speak during the afternoon session, what is the probability that all of them work in business technology? Write your answer as a decimal rounded to four decimal places.

The probability Kayla will score above 80% on a mathematics test is 0.60. Kayla will take five tests this semester. We want to find the probability she will score above 80% on exactly four out of the five tests. What is the probability of Kayla scoring above 80% on exactly four out of the five tests?

If the probability of a student taking a calculus class is 0.10, the probability of taking a statistics class is 0.90, and the probability of taking a calculus class and a statistics class is 0.07, what is the probability of a student taking a calculus class or a statistics class?

What is the probability of being dealt two kings in a row from a deck of cards without replacing the first card drawn? Leave your answer as a percent to the nearest tenth (one decimal) after converting to %.  You can leave out the % sign.

For a recent year, approximately 36,000 people were killed in the United States in motor vehicle accidents. If the population had 300,000,000 people at that time, estimate the probability of being killed in a motor vehicle crash.

Please solve the screenshot!

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.

In a large school, it was found that 69% of students are taking a math class, 75% of student are taking an English class, and 65% of students are taking both.Find the probability that a randomly selected student is taking a math class or an English class. Write your answer as a decimal, and round to 2 decimal places if necessary.Find the probability that a randomly selected student is taking neither a math class nor an English class. Write your answer as a decimal, and round to 2 decimal places if necessary.

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.