Air-USA has a policy of booking as many as 23 persons on an airplane that can seat only 21. (Past studies have revealed that only 88% of the booked passengers actually arrive for the flight.) Find the probability that if Air-USA books 23 persons, not enough seats will be available. prob =

A recent Kellogg survey shows that approximately 34% of Americans eat breakfast. Suppose Alex takes a random sample of four Americans. What is the probability that at least one American eats breakfast or at least three Americans do not eat breakfast?   ?p =

This problem involves students who have taken Calculus in high school. Assume that 35 percent of students have taken calculus in high school. Of those who have taken calculus in high school, 75 percent plan to major in science. Of those who did not take calculus in high school, only 20 percent plan to major in science. What is the probability that a randomly selected student plans to major in science?

Political scientists want to determine the probability of exactly 3 out of the next 5 voters they meet approving a proposal. If the sample probability of the voters approving the proposal is 50%, the number of trials is and the number of successful trials is The probability that 3 out of the next 5 voters approving the proposal is

Aaron Rodgers of the Green Bay Packers, three-time NFL MVP, completes 65% of his pass attempts. If the trials are independent, what is the probability that he will complete at least 9 of his next 10 passes?

A surgical technique is performed on seven patients. The technique has a 70% chance of success. Find the probability that the surgery is successful for at least five patients.

A convenience store estimated that 22% of its customers come in to buy milk. What is the probability that out of the next 200 customers, 65 or fewer will buy milk?

It is known that 70% of Canadian adults have a passport. What is the probability that you have to stop exactly four people at random before you find the first one that holds a passport?

According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that the Tampa Bay Buccaneers defense will have 3 or more sacks in the game is 0.05.  The probability that the Bucs will both score a touchdown on their opening drive and have 3 or more sacks in the game is 0.25.  The is the probability that they will either score a touchdown on the opening drive or have 3 or more sacks in the game is 0.25.  What is the probability that the Bucs will score a touchdown on their first drive? Answer in decimal form.  Round to two decimal places as needed.   Your Answer:

In world cup soccer the probability that a soccer team makes a penalty kick goal is about 72.5%. If a team attempts five consecutive penalty kicks, what is the probability that they will make at least one of the five attempts