Number 2 only Lesson 31 & Independent PracticePractice Using Experimental ProbabilitySolve the problems.1 In the cafeteria, there are 7 teachers, 48 girls, and 45 boys. What is the probability that aperson chosen at random from the cafeteria is a boy?9209111120D2 Students in a math class were divided into three groups. Each group was given a paper bagfilled with an unknown number of marbles of unknown colors. For each bag, a marble wasdrawn at random and then put back. Each group repeated this procedure until they recorded50 draws from the bag. The data for the three bags is shown below.BAG ABAG BBAG CNumber ofNumber ofNumber ofColorMarblesColorMarblesColorMarblesRed39Red10RedWhite2White15White15Yellow9Yellow15YellowPurplePurple10Purple25Choose True or False for each statement.a. In Bag B, it appears to be equally likely to drawa white marble as it is a yellow marble.TrueFalseb. The probability of drawing a yellow marble fromBag C is approximately 7%.OTrue UFalsec. The probability of drawing a purple marble fromBag A after 200 draws is likely 0.TrueFalsed. If marbles from Bag C were drawn 10,000 times,about 600 red marbles are likely to be drawn.OTrueFalsee. Each bag definitely contains an equal numberTrueof marbles.False294OCurriculum Associates, LLC Copying is not permittLesson 31 Experimental Probability

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2 Students in a math class were divided into three groups. Each group was given a paper bag filled with an unknown number of marbles of unknown colors. For each bag, a marble was drawn at random and then put back. Each group repeated this procedure until they recorded 50 draws from the bag. The data for the three bags is shown below. BAG A BAG B BAG C Number of Marbles Number of Number of Color Color Marbles Color Marbles Red 39 Red 10 Red 3 White White 15 White 15 Yellow 9. Yellow 15 Yellow Purple Purple 10 Purple 25 Choose True or False for each statement. a. In Bag B, it appears to be equally likely to draw a white marble as it is a yellow marble. OTrue OFalse b. The probability of drawing a yellow marble from Bag C is approximately 7%. OTrue False c. The probability of drawing a purple marble from Bag A after 200 draws is likely 0. OTrue False d. If marbles from Bag C were drawn 10,000 times, about 600 red marbles are likely to be drawn. OTrue UFalse e. Each bag definitely contains an equal number of marbles. OTrue OFalse

2 Students in a math class were divided into three groups. Each group was given a paper bag filled with an unknown number of marbles of unknown colors. For each bag, a marble was drawn at random and then put back. Each group repeated this procedure until they recorded 50 draws from the bag. The data for the three bags is shown below. BAG A BAG B BAG C Number of Marbles Number of Number of Color Color Marbles Color Marbles Red 39 Red 10 Red 3 White White 15 White 15 Yellow 9. Yellow 15 Yellow Purple Purple 10 Purple 25 Choose True or False for each statement. a. In Bag B, it appears to be equally likely to draw a white marble as it is a yellow marble. OTrue OFalse b. The probability of drawing a yellow marble from Bag C is approximately 7%. OTrue False c. The probability of drawing a purple marble from Bag A after 200 draws is likely 0. OTrue False d. If marbles from Bag C were drawn 10,000 times, about 600 red marbles are likely to be drawn. OTrue UFalse e. Each bag definitely contains an equal number of marbles. OTrue OFalse

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Number 2 only

Lesson 31 & Independent Practice
Practice Using Experimental Probability
Solve the problems.
1 In the cafeteria, there are 7 teachers, 48 girls, and 45 boys. What is the probability that a
person chosen at random from the cafeteria is a boy?
9
20
9
11
11
20
D
2 Students in a math class were divided into three groups. Each group was given a paper bag
filled with an unknown number of marbles of unknown colors. For each bag, a marble was
drawn at random and then put back. Each group repeated this procedure until they recorded
50 draws from the bag. The data for the three bags is shown below.
BAG A
BAG B
BAG C
Number of
Number of
Number of
Color
Marbles
Color
Marbles
Color
Marbles
Red
39
Red
10
Red
White
2
White
15
White
15
Yellow
9
Yellow
15
Yellow
Purple
Purple
10
Purple
25
Choose True or False for each statement.
a. In Bag B, it appears to be equally likely to draw
a white marble as it is a yellow marble.
True
False
b. The probability of drawing a yellow marble from
Bag C is approximately 7%.
OTrue UFalse
c. The probability of drawing a purple marble from
Bag A after 200 draws is likely 0.
True
False
d. If marbles from Bag C were drawn 10,000 times,
about 600 red marbles are likely to be drawn.
OTrue
False
e. Each bag definitely contains an equal number
True
of marbles.
False
294
OCurriculum Associates, LLC Copying is not permitt
Lesson 31 Experimental Probability

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