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The two-way table shows the number of hours students studied and whether they studied with music.

                                        Studied more than an hour            Studied less than an hour

Studied with music                             9                                                  6

Studied without music                        7                                                  8

What is the relative frequency of students that studied with music for more than an hour to the total number of students that studied with music?

 

A) 0.27

 

B) 0.40

 

C) 0.56

 

D) 0.60

 Jan 8, 2019
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Studied with music more than an hour = 9     given

total students that studied with music  = 9+6 = 15            Ratio = 9/15 = 0.60

 Jan 8, 2019

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