Probability Distributions Slides

Probability Distributions Slides

11th Grade

15 Qs

quiz-placeholder

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Probability Distributions Slides

Probability Distributions Slides

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

In a certain community, 30% of households have 1 child, 43% have 2 children, and 27% have 3 children. If a household is selected at random, what is the expected number of children in that household? HINT: A Probability table may be helpful.

2.00

2.13

1.97

1.27

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is this a probability distribution?

No

Yes

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The table represents the probability of guessing correct on a 5 question true-false quiz. Find the mean and the standard deviation.

μ = .4; σ = 7.5

μ = 2.5; σ = 1.1

μ = 3; σ = 1.3

μ = .1; σ = 0

4.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Media Image

The table above shows a television station's advertisement sales. The distribution of sales for one 24-hour day is given. Solve for the mean. Round to the nearest hundredth.

31.80

15.68

0.20

1.00

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The table above shows the number of cell phones per household in a small town. Find the standard deviation. Round to the nearest hundredth.

0.80

1.70

1.30

1.00

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Using the probability distribution, find P(X > 1).

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Given the probability distribution, what is P(X < 1)?

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