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Question 1 of 8
1. Question
In a game, a spinner is divided into 4 equal sections labeled A, B, C, and D. If the spinner is spun 100 times, how many times would you expect it to land on section A?
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Question 2 of 8
2. Question
A class scored the following on a quiz: 75, 80, 85, 90, and 100. What is the mean score?
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Question 3 of 8
3. Question
A bag contains 3 red marbles and 2 blue marbles. A marble is chosen, its color is noted, and it is put back in the bag. Then a second marble is drawn. What is the probability of drawing a red marble both times?
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Question 4 of 8
4. Question
A researcher wants to know the average height of adult males in a city. Which method would provide the best estimate?
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Question 5 of 8
5. Question
Using the frequency table below how many girls walked to school?
Walk Car Bus Total Boys 20 10 25 55 Girls 16 12 17 45 Total 36 22 42 100 CorrectIncorrect -
Question 6 of 8
6. Question
If a die is rolled 60 times, and the number 4 appears 15 times, what is the experimental probability of rolling a 4?
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Question 7 of 8
7. Question
The line of best fit for a scatter plot representing study hours and test scores has the equation \(y = 5x + 60\), where \(y\) is the test score and \(x\) is the number of study hours. What does the slope of this line represent?
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Question 8 of 8
8. Question
Students were asked how many hours they spend per week on their cell phone. What can you determine about the median from this box plot?
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