Question: Use the histogram at right for 13a-d. a. Approximate the frequency of scores between 80 and 90. b. Approximate the sum of all the frequencies.

Use the histogram at right for 13a-d.

a. Approximate the frequency of scores between 80 and 90.
b. Approximate the sum of all the frequencies.
c. Find P(a score between 80 and 90).
d. Find P(a score that is not between 80 and 90).

330 270 240 210 180 150 120 40 50 60 70 80 90 100 Score

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