A group of high school students reports who has a job and who plays sports. The information is presented in the following Venn d
iagram. Given that a random student does not have a job, what is the probability that the student does not play sports? Question 18 options: .7 .6 .8 .12
Explanation: There are 60 students in this "universe." 20 have jobs. The random student does not. So that student is in the "complement" of 40 outside the jobs circle. (16 "sports" + 24 in the field outside the circles)
Of those 40, 24 do not play sports, which is what the question specifies. The chance is then 24/40 reduced: 6/10
So the chance of the random student selected from the group of "doesn't have a job" and "doesn't play sports" is .6
if the number of blue jays is increased then the number of caterpillars as well as number of mice will decrease as they mostly feed on caterpillars and mice.
