Probability with Random Variables

Probability with Random Variables

11th Grade

11 Qs

quiz-placeholder

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Probability with Random Variables

Probability with Random Variables

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

Anthony Clark

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Jamie has 3 raffle tickets. One hundred tickets were sold. Her name was not drawn for the first prize. What is the probability that her name will be drawn for the second prize?

1/3

1/33

3/100

2/99

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A company states that 2% of its computers are returned for defects. We take a sample of 100 computers to find the probability of 10 being defective. Is this a binomial distribution?

No because there is not a fixed number of trials.

No because there are more than 2 outcomes.

Yes since there are a fixed number of independent trials, outcomes in 2 categories, and the probability of defect is constant.

No since computers would not be independent.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If 1.5% of the bolts made by an automotive factory are defective, what is the probability that in a shipment of 200 bolts, there are 6 defective bolts?

binompdf(200, 0.015, 6) = 0.050

binomcdf(200, 0.015, 5) = 0.9176

binomcdf(200, 0.015, 6) = 0.9676

geometpdf(0.015, 6) = 0.0137

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

There is a multiple choice test with 4 choices per question. You must find probability of getting exactly 5 out of 12 questions correct. Which of the following is used to find the probability?

binompdf

binomcdf

1−binomcdf

1-binompdf

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

MC test with 4 choices per question find probability of getting at most 5 out of 10 questions correct. Which of the following would be used?

binomcdf(10, 0.25, 4)

binomcdf(10, 0.25, 5)

1−binomcdf(10, 0.25, 5)

1-binomcdf (10, 0.25, 4)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

MC test with 4 choices per question, find the probability of getting exactly 7 out of 10 questions correct. Which of the following is the correct binomial?

binompdf (10, 0.25, 7)

binompdf (10, 0.70, 4)

1−binomcdf(10, 0.70, 7)

1-binompdf(10, 0.25, 7)

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