Binomial Distribution

Question 1

Dion flips a coin 20 times and records if it comes up heads. If getting heads is a success, what is the probability of a success on each flip?

Revolt · Accepted Answer

0.5

Question 2

Which of the following is a binomial experiment?

Revolt · Accepted Answer

A survey asking 75 people if they like the new school building

Question 3

Van guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he got exactly 1 question correct? Round the answer to the nearest thousandth.

Revolt · Accepted Answer

0.267

Question 4

A researcher finds that 15% of all commuters in a metropolitan area take the train to work. The researcher polls 250 people in the area and asks them whether they take the train to work. What is the number of trials for this binomial experiment?

Revolt · Accepted Answer

250

Question 5

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

Revolt · Accepted Answer

Selecting 200 phones randomly and recording whether each phone is defective

Question 6

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

Revolt · Accepted Answer

Subscript 7 Baseline C Subscript 2 Baseline (one-sixth) squared (five-eighths) Superscript 5

Question 7

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

Revolt · Accepted Answer

Selecting eight members randomly and recording whether each member is wearing a blue shirt

Question 8

Rina spins the spinner below 30 times. A success occurs when the spinner lands on a number that is greater than 6.What is the probability of a success and a failure for this experiment?

Revolt · Accepted Answer

;

Binomial Distribution Answers

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