anonymous
  • anonymous
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)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
please help
anonymous
  • anonymous
do you know how to fill in the table?|dw:1439332053030:dw|
anonymous
  • anonymous
ya

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anonymous
  • anonymous
no really
anonymous
  • anonymous
can you help how to do ir
anonymous
  • anonymous
60 students like building snowmen, so that's a total|dw:1439332293207:dw|
anonymous
  • anonymous
10 like snowmen but don't like skiing|dw:1439332343548:dw|
anonymous
  • anonymous
80 is a total for skiing|dw:1439332375143:dw|
anonymous
  • anonymous
and 50 is a total for don't like skiing|dw:1439332418000:dw|
anonymous
  • anonymous
ohhhhhhhh ok
anonymous
  • 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
  • anonymous
so 40 would go under 10
anonymous
  • anonymous
yes
anonymous
  • anonymous
and 50 would go next to 10
anonymous
  • anonymous
right
anonymous
  • anonymous
and 40 would go next to 40
anonymous
  • anonymous
yes
anonymous
  • anonymous
|dw:1439332808533:dw|
anonymous
  • anonymous
so how to we find this What percentage of the total students surveyed like both building snowmen and skiing? Show your work.
anonymous
  • 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
  • anonymous
yes
anonymous
  • anonymous
crap I set the table up wrong here's the right one |dw:1439333033821:dw|
anonymous
  • anonymous
like and do not like are supposed to go together
anonymous
  • anonymous
the process is the same though
anonymous
  • anonymous
to answer your question out of 110 total students 50 like both so the probability is 50/110
anonymous
  • 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
^
anonymous
  • anonymous
50/110
anonymous
  • anonymous
would it be 62.5%
anonymous
  • anonymous
50/110=45%
anonymous
  • anonymous
ya it is 45.454545454 but that is the second question write
anonymous
  • anonymous
is part A 62.5
anonymous
  • anonymous
do not like both is 20/110 = .18
anonymous
  • anonymous
no A is 45%
anonymous
  • anonymous
than what is B
anonymous
  • anonymous
20/110=.1818
anonymous
  • anonymous
ohhhhh ok why
anonymous
  • 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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