Binomial Distribution Answers

According to a poll, 30% of voters support a ballot initiative. Hans randomly surveys 5 voters. What is the probability that exactly 2 voters will be in favor of the ballot initiative? Round the answer to the nearest thousandth.

How many outcomes are possible for one event of a binomial experiment?

Thirty-three percent of all students at a high school like beef stew. Out of 300 students, 40 are selected randomly and asked whether they liked beef stew. If liking beef stew is a success, what is the probability of a failure for this binomial experiment?

Janie flips a coin 70 times and records if it comes up heads. If getting heads is a success, what is the probability of a failure?

Mrs. Gomes found that 40% of students at her high school take chemistry. She randomly surveys 12 students. What is the probability that exactly 4 students have taken chemistry? Round the answer to the nearest thousandth.

Which of the following is a binomial experiment?

Two percent of mobile phones produced at a factory are defective. Which of the following is a binomial experiment?

Thuy rolls a number cube 7 times. Which expression represents the probability of rolling a 4 exactly 2 times?

Forty-four percent of the members of the Science Club wear blue shirts. Which of the following is a binomial experiment?

Aron flips a penny 9 times. Which expression represents the probability of getting exactly 3 heads?