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Mathematics 11 Online
OpenStudy (bobobox):

Relative frequency Help

OpenStudy (bobobox):

@jim_thompson5910

OpenStudy (bobobox):

I would like to say B

OpenStudy (bobobox):

because it compares the two

OpenStudy (bobobox):

okay

OpenStudy (perl):

Given that you look only in the column of dancers, what is the relative frequency of females?

OpenStudy (bobobox):

84 females in total

OpenStudy (perl):

Look only in this column http://prntscr.com/7m6ehj

OpenStudy (bobobox):

52

OpenStudy (perl):

Correct. And 52 out of ... what is the total in that column

OpenStudy (bobobox):

84 females enjoy dance

OpenStudy (perl):

We need the proportion of dancers who are female http://prntscr.com/7m6fjy

OpenStudy (bobobox):

52 females enjoy dance and 12 males enjoy dance with 64 people in total, sorry I am bad with this vocabulary

OpenStudy (perl):

correct . So the proportion of dancers who are female is 52/64. Agreed?

OpenStudy (bobobox):

yes agreed

OpenStudy (perl):

Can you calculate that

OpenStudy (bobobox):

divide right

OpenStudy (perl):

yes :)

OpenStudy (bobobox):

0.81

OpenStudy (perl):

and what is that as a percent

OpenStudy (bobobox):

81% i belive

OpenStudy (bobobox):

@perl

OpenStudy (perl):

yes thats correct

OpenStudy (perl):

Can you now answer the question?

OpenStudy (bobobox):

is the answer C?

OpenStudy (bobobox):

wait or is it D Because of they way it's worded

OpenStudy (perl):

We found the condition of dancing, the green rectangle

OpenStudy (bobobox):

so d?

OpenStudy (perl):

I can't give the answer .

OpenStudy (bobobox):

I think it's d Because it discusses dance as a condition and it's a positive observation

OpenStudy (bobobox):

@perl @jim_thompson5910

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