Question

Based on the histogram, how many students were included in the survey? What percentage of the students surveyed babysat for at least eight hours last weekend? Show your work.

A histogram titled Student Babysitting Hours Last Weekend is shown. The x-axis is labeled Hours and the y-axis is labeled Frequency Students. For zero to three hours, the frequency is ten. For four to seven hours, the frequency is fifteen. For eight to eleven hours, the frequency is twenty-five. For twelve to fifteen hours, the frequency is fifteen.

Answer 1

@Muzzack

Answer 2

@Muzzack @Muzzack

Answer 3

@Muzzack @Muzzack @Muzzack

Answer 4

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Answer 5

hi

Answer 6

First add up all the heights of the bars
What do you get?
20+5+30+25 = 80
okay.
now simply divide the number people in the category 0-3 by 80 to get 20/80 = 1/4 = 0.25 Then multiply by 100 to get 0.25*100 = 25% So 25% of the students surveyed babysat for at most three hours last weekend.

Answer 7

few thanks

Answer 8

can you help me with a few more

Answer 9

you got it or ?

Answer 10

got it you explained it to me pretty good

Answer 11

@Muzzack

Answer 12

hey i hope i helped

Answer 13

help