60 students like building snowmen
10 students like building snowmen but do not like skiing
80 students like skiing
50 students do not like building snowmen
Make a two-way table to represent the data and use the table to answer the following questions.
Part A: What percentage of the total students surveyed like both building snowmen and skiing? Show your work.
Part B: What is the probability that a student who does not like building snowmen also does not like skiing? (5 points)

- anonymous

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- anonymous

please help

- anonymous

do you know how to fill in the table?|dw:1439332053030:dw|

- anonymous

ya

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- anonymous

no really

- anonymous

can you help how to do ir

- anonymous

60 students like building snowmen, so that's a total|dw:1439332293207:dw|

- anonymous

10 like snowmen but don't like skiing|dw:1439332343548:dw|

- anonymous

80 is a total for skiing|dw:1439332375143:dw|

- anonymous

and 50 is a total for don't like skiing|dw:1439332418000:dw|

- anonymous

ohhhhhhhh ok

- anonymous

that's all the given info. Now we just use addition and subtraction to fill the other boxes. Add up the far right totals to get the total number of students and put the result in the bottom right box

- anonymous

so 40 would go under 10

- anonymous

yes

- anonymous

and 50 would go next to 10

- anonymous

right

- anonymous

and 40 would go next to 40

- anonymous

yes

- anonymous

|dw:1439332808533:dw|

- anonymous

so how to we find this What percentage of the total students surveyed like both building snowmen and skiing? Show your work.

- anonymous

to do that you need to know the total students surveyed, so fill in the rest of the table to get|dw:1439332906496:dw|

- anonymous

yes

- anonymous

crap I set the table up wrong here's the right one
|dw:1439333033821:dw|

- anonymous

like and do not like are supposed to go together

- anonymous

the process is the same though

- anonymous

to answer your question out of 110 total students 50 like both so the probability is 50/110

- anonymous

ya so how would you answer this question What percentage of the total students surveyed like both building snowmen and skiing? Show your work.

- anonymous

^

- anonymous

50/110

- anonymous

would it be 62.5%

- anonymous

50/110=45%

- anonymous

ya it is 45.454545454 but that is the second question write

- anonymous

is part A 62.5

- anonymous

do not like both is 20/110 = .18

- anonymous

no A is 45%

- anonymous

than what is B

- anonymous

20/110=.1818

- anonymous

ohhhhh ok why

- anonymous

because 20 students do not like skiing and do not like building snowmen out of 110 students total|dw:1439333800627:dw|

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