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Binomial Probabilities

Authored by Barbara White

Other

11th - 12th Grade

CCSS covered

Binomial Probabilities
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

336

56

8/5

40,320

2.

MULTIPLE SELECT QUESTION

30 sec • 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

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of tossing a coin 5 times and having it land tails-side-up 4 of the 5 times?

7.8 %

80 %

1.6 %

20 %

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a certain town, 75% of all drivers are insured. What is the expected number of insured drivers present in a group of 200 randomly selected townspeople?

75

150

175

125

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a certain town, 90% of the people drive without ever looking at their phones. In a group of 200 randomly selected citizens, what is the variance?

18

4.24

180

90

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At a certain restaurant, there is a 70% probability that the flowers on your table will be yellow. If you are there with a group that is occupying 6 tables, what is the probability that 5 of the tables will have yellow flowers?

70%

70.6 %

30.3 %

5.0 %

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you are randomly selecting a day, the probability of selecting a Saturday is 1/7. If 10 days are randomly selected, what is the standard deviation?

1.22

1

1/7

1.11

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