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Question 1 (Essay Worth 4 points)

Brenda is training to be a volunteer at her library. She wonders what the probability is that the first item she'll get to check out for a customer will be a video. So, on her first day of training, she tracks what items are checked out. The results are shown here in a tally chart.

Use Brenda's experimental data to estimate the probability that her first item to check out will be a video. Show and explain your work.

Question

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Question 1 (Essay Worth 4 points)

Brenda is training to be a volunteer at her library. She wonders what the probability is that the first item she'll get to check out for a customer will be a video. So, on her first day of training, she tracks what items are checked out. The results are shown here in a tally chart. 

Use Brenda's experimental data to estimate the probability that her first item to check out will be a video. Show and explain your work.

e.cociuba · Answer

Where's the tally chart?

anonymous · Answer

attachment

e.cociuba · Answer

Books: 37
Videos:28
Magazines:19

e.cociuba · Answer

Your total sample space has 84 items. Hence the empirical probability of a video being checked out is:

28/84=1/3

e.cociuba · Answer

She has 28 chances to first check a video out.
28 chances of EVERYTHING she deals with

So 28/84

anonymous · Answer

i have to explain and show my work

e.cociuba · Answer

Well this is basically ur work. It's more of critical thinking than actual work. She has 28 chances to first check a video out.
28 chances of EVERYTHING she deals with