A local school has both male and female students Each student either plays a sport or doesn't. The two-way table summarizes a random sample of 80 stud

usagirl007A 2020-12-24 Answered
A local school has both male and female students Each student either plays a sport or doesnt.
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Elberte
Answered 2020-12-25 Author has 95 answers
Step 1
Given,
FemalemaleTotalNo sport121527Sport361753Total483280
Let Sports be the event that a randomly chosen student plays a sport.
Let Female be the event that a randomly chosen student is a female.
Step 2
The required probabilities are obtained as follows- a) P(female)=No. of female StudentsTotal number of student
=4880
=0.6 P(Sport and female)=No. of students who are female and plays sportsTotal number of students
=3680
=0.45 P(Sports||female)=P(Sports and female)P(female)
P(Sports||female)=No. of students who are female and plays sportsTotal number of studentsNo. of students who are femaleTotal number of students
=36804880
=0.450.6
=0.75
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