Question

At Riverview High School, 120 students were asked whether they prefer a lion or a timber wolf as a new school mascot. The two-way frequency table shows the results of the survey. A what is the probability of randomly selecting a student who is the girl that prefers the timber wolf.B what is the probability of randomly selecting a student who is not a boy that prefers the lion?

Answer 1

A.

Probability of randomly selecting a student who is the girl that prefers the timber wolf = number of girls that prefer Timber wolf / Total number of student

`P(g,tw)=(no(g,tw))/(total)=(19)/(120)=0.1583\approx15.83`

B.

Probability of randomly selecting a student who is not a boy that prefers the lion = (total number of students - number of boys that prefers the lion) / Total number of student

`P=(total-no(b,lion))/(total)=(120-40)/(120)=(80)/(120)=0.6667\approx66.67`