AnswersCommon Core Algebra II - MA3111 B-ICBinomial Distribution

Binomial Distribution Answers

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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?

A
0.2
B
0.5
C
0.7
D
1.00
2
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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?

A
0.2
B
0.3
C
0.5
D
1.00
3

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.

Question illustration
A
0.005
B
0.008
C
0.213
D
0.227
4

Which of the following is a binomial experiment?

A
Flipping a coin until it comes up tails
B
Flipping a coin until 8 heads are recorded
C
Flipping a coin 10 times and recording if it comes up heads
D
Flipping a coin by 10 different people and recording the age of each person

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