Question

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.

Answer 1

@LaShaun97

Answer 2

hold on this isnt really making any sense 2 me

Answer 3

me either

Answer 4

According to the tally chart her the first item she sells wont be a video it would be a Book

Answer 5

yea idk what the answer is

Answer 6

erm
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Answer 7

@dmezzullo herrrp me?

Answer 8

Ok what is the context here? What are you learning right now?

Answer 9

@Ryleighblue

Answer 10

whats do you mean @JA1

Answer 11

What are you learning right now in school for this?

Answer 12

uhhhhhhh math? O.o

Answer 13

why did i post this in biology?

Answer 14

Ok first off yes you did post it in biology xD second like what are you learning, Quadratics, fractions, factoring etc..

Answer 15

oh my and fractions and probability

Answer 16

@JA1

Answer 17

Ah i see

Answer 18

i really need help in order to passs!!!

Answer 19

24/(37+24+19)

Answer 20

excuse me?

Answer 21

You are dividing the amount of videos (24) by the total amount of things checked out, so do the parethesis first :)

Answer 22

so:
\[37+24+19\]

Answer 23

mhmmmm

Answer 24

so what is it? What is all the checked out articles alltogether?

Answer 25

80

Answer 26

Yes so there is a total of 80 articles checked out, so now divide 24 (the amount of videos) by the total amount of articles so:
\[24\div80\]

Answer 27

0.3

Answer 28

@JA1

Answer 29

Perfect now what is 0.3 as a fraction? Or does the question ask for decimal?

Answer 30

it just ask me what are the chances of her checking out a video first....

Answer 31

Is it multiple choice?

Answer 32

no i have to show my workk

Answer 33

Well in this case it would be 1/3

Answer 34

mkaysies

Answer 35

NONONO MY BAD i was wrong 0.3 = 3/10

Answer 36

So she has a 3/10 chance she will @Ryleighblue

Answer 37

BTW what grade is this?

Answer 38

like a really low grade compared

Answer 39

I am guesing 6th right?