At Shakey's Pizza, 45% of customers order pizzas with either sausage or pepperoni. If 31% get only pepperoni and 26% only sausage, find the probability that the next person to call will order both sausage and pepperoni. REMINDER: Answer must be a fraction in lowest term.

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.

the student council is hosting a drawing to raise money for scholarships. they are selling tickets for $8 each and will sell 500 tickets. there is one $3000 grand prize, three $500 second prizes , and eleven $30 third prizes. you just bought a ticket. find the expected value for your profit. round to nearest cent.

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $9 each and will sell 600 tickets. There is one $2,000 grand prize, two $200 second prizes, and twelve $40 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.

Find the probability of rolling two dice that add up to 3 or 7. (leave your answer as a reduced fraction)

Richard has been given a 6-question multiple-choice quiz in his history class. Each question has three answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. Assuming that Richard guesses on all 6 questions, find the probability that he will answer all questions incorrectly. Round your answer to the nearest thousandth.

A bag contains 4 red chips, 5 blue chips, and 3 green chips. Bobby selects two chips from the bag without replacement. What is the probability that he selects 2 blue chips? Express your answer as a percent rounded to 1 decimal place. For example x.x% or xx.x%

Find the probability of rolling two dice that add up to 5. (leave your answer as a reduced fraction)

Write your answer as a fraction reduced to lowest terms and as a percent rounded to the nearest hundredth of a percent. A bag contains 5 yellow balls, 5 orange balls, 6 white balls and 6 red balls. Five balls are drawn and NOT replaced each time. Determine the probability of drawing five red balls in a row. State whether the events are dependent or independent.

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $8 each and will sell 800 tickets. There is one $2,000 grand prize, two $500 second prizes, and eleven $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.