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Can someone help with part B??

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7. Question Details| Previous Answers The histogram shown below represents 40 student scores on a statistics exam Grade Distribution Frequency 10 + 40 60 80 100 Grades a) Which of the following best describes the shape of the scores? left skewed right skewed bimodal symmetric b) What proportion of the scores are below 60? Give your answer to three decimal places.

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Answer #1

b) Total number of students = 40

The proportion of scores that are below 60

9+5+3 40

70 1-4

0.425 (ans)

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