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Experimental Probability Answers

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A computer manufacturer is performing a quality check to make sure the computers’ sound cards are working correctly. The plant manager tested 1,000 computers on Monday and found that 4 had defective sound cards. What is the experimental probability of a computer having a bad sound card?

Answer:

1/250

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Which statements are true about the experimental probability of getting tails up?

A
The experimental probability is written as a ratio.
B
The experimental probability compares the number of heads up to the number of tails up.
C
The experimental probability includes 50 trials.
D
The experimental probability compares the number of tails up to the number of trials.
E
The experimental probability compares the number of heads up to the number of trials.
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24

If the cereal manufacturer packages 10,000 boxes of cereal a day, about how many boxes would you expect to have too many raisins? boxes

Answer:

200

25

Compare the four experiments. Who is most likely to get an experimental probability best suited for predicting frequencies?

A
Latoya
B
Isaac
C
Michelle
D
Liam
26

Before a new video game is released, it is tested by a number of volunteer gamers. During testing, the experimental probability of completing a new game with a perfect score was found to be . If 1,000,000 people buy and play the game when it is released, how many players will complete the game with a perfect score? people

Question illustration
Answer:

2,000

27

Melanie and three of her classmates worked as a team to find the experimental probability of a spinner landing on a blue section. Melanie performed 10 trials. Enrique performed 50 trials. Veronique performed 300 trials. Juanita performed 500 trials.Compare the four experiments. Which student is most likely to get an experimental probability best suited for predicting frequencies?

Question illustration
A
Melanie
B
Enrique
C
Veronique
D
Juanita
28

Which statement best describes the structure of “Crossing Brooklyn Ferry”?

A
The poem’s structure is created by different repeating sections.
B
The poem’s structure is created by repeated lines that rhyme.
C
The poem’s structure is created by each stanza’s similar rhythm.
D
The poem’s structure is created by identical syllables in each line.
29

Read the sentence.Cy listened intently as the speaker rallied the crowd from the stage, a wise owl perched on a strong branch.

A
a stage
B
a branch
C
an owl
D
a lecture
30

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Answer not available
31

Jason practiced making soccer goals and kept track of the results. He missed 3 goals but made 9 in one practice session. What can Jason predict regarding goals made if his next practice session has 24 tries?

A
Jason will make 8 goals.
B
Jason will make 16 goals.
C
Jason will make 18 goals.
D
Jason will make 21 goals.
32

How does the structure of “I Hear America Singing” reflect the period in which it was written?

A
The poem creates an image of people who are rebelling against their bosses.
B
The poem creates an image of people too excited to focus on their work.
C
The poem creates an image of people working themselves to exhaustion.
D
The poem creates an image of people enjoying their lives as they work.
33

Shana lives in a town with a population of 130,000. Standing outside the largest grocery store, Shana surveyed people to find out how many have cats. Of the people she asked, 106 people had cats and 694 did not. How many cat owners are predicted to live in the town?

A
There should be 694 cat owners in town.
B
There should be 1,226 cat owners in town.
C
There should be 17,225 cat owners in town.
D
There should be 19,855 cat owners in town.
34

A soap factory randomly inspects 100 bars of soap to better identify problems that occur during the manufacturing process. The table below displays the possible problems and frequency for each.Soap ProblemsFrequencyUnderweight4Impurities2Broken bar3None91Total100If the soap factory makes 5,000 bars of soap per day, how many of those bars would they expect to be broken?

A
They would expect 100 bars to be broken.
B
They would expect 150 bars to be broken.
C
They would expect 300 bars to be broken.
D
They would expect 450 bars to be broken.
35

A number cube was rolled as part of an experiment. The results are displayed in the table below. Number123456Frequency465735What is the best explanation of how to find the experimental probability of rolling a 3?

A
To find the experimental probability of rolling a three, write a ratio of the number of times three occurs to the total number of trials. Simplify if necessary.
B
To find the experimental probability of rolling a three, write a ratio of the total number of trials to the frequency of the number three. Simplify if necessary.
C
To find the experimental probability of rolling a three, write a ratio of the number three to the total number of trials. Simplify if necessary.
D
To find the experimental probability of rolling a three, write a ratio of the total number of trials to the number three. Simplify if necessary.
36

Which statement best describes the structure of “I Hear America Singing”?

A
The poem is loosely structured and contains rhyme.
B
The poem is loosely structured and contains repetition.
C
The poem has a strict structure, including a specific rhythm.
D
The poem has a strict structure, including repetition.
37

Marnie conducted an experiment using a bag of 12 marbles containing an equal number of blue, red, and green marbles. She randomly chose one marble, noted the color, and returned the marble to the bag. Marnie did this for a total of 20 trials. The table below shows the results.EventCountBlue7Red8Green5 What was the experimental probability of choosing a blue marble from a bag?

A
StartFraction 7 over 20 EndFraction
Option A
B
StartFraction 7 over 13 EndFraction
Option B
C
StartFraction 7 over 12 EndFraction
Option C
D
StartFraction 7 over 8 EndFraction
Option D
38

Lonnie threw 50 free throws and missed 16 of them. If Lonnie throws 75 free throws, what can be predicted about the number she will make successfully?

A
Lonnie will make 24 free throws.
B
Lonnie will make 51 free throws.
C
Lonnie will make 59 free throws.
D
Lonnie will make 66 free throws.
39

Tia performed an experiment where she flipped a coin 200 times. The coin landed heads up 92 times and tails up 108 times. Which statement about this experiment is true?

A
The ratio represents the experimental probability of the coin landing heads up in this experiment.
Option A
B
The ratio represents the number of trials in this experiment.
Option B
C
The ratio represents the theoretical probability of the coin landing heads up in this experiment.
Option C
D
The ratio represents the number of occurrences of the coin landing heads up in this experiment.
Option D
40

Which image does Walt Whitman create by repeating language in “I Hear America Singing”?

A
an image of people who are bored with their work
B
an image of people who are united in their joy
C
an image of people who are putting on a concert
D
an image of people who are competing for attention

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