Binomial Review

Binomial Review

12th Grade

14 Qs

quiz-placeholder

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Binomial Review

Binomial Review

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is false about binomial probabilities?

Their distributions are approximately symmetric.

Trials must be fixed.

Events musts be independent.

The probability of success must be 0.50

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the standard deviation of a binomial distribution with n=50 and p=0.4 (Round to the nearest tenth)

4.2

3.5

12.0

6.2

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which descriptions are true for a binomial distribution?

the probability of success must be the same for each event

the probability for each event must be 0.5

there can be only two possible outcomes

The probabilities must add to 1

each trial must be independent

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you were to flip a coin 20 times, what is the probability you would get exactly 10 heads?

50%

17.62%

.58.81%

41.19%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school.What is the probability that exactly 2 of the first 20 blood donors have Type B blood? 

0.316

0.282

0.001

Not here

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In Vietnam, the probability of rain is 70%.  Find the probability of it raining at most 2 days in a week.

.9712

.0250

.0287

.2988

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In Vietnam, the probability of rain is 70%.  Find the probability of it raining at most 5 days in a week.

.9712

.6705

.3294

.5520

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