A student organization is trying to decide whether or not to offer more movies o
ID: 3440410 • Letter: A
Question
A student organization is trying to decide whether or not to offer more movies on campus. They want to determine whether this idea will appeal to members of both genders. A random sample of 1000 students was asked if they were in favor of more movies on campus. The results by gender are shown in the table below in Figure 4.
Gender Infavor no opinion oppesed
Male 330 165 55
Female 225 180 45
Fig. 4: Summary
(a) What proportion of the sampled students is in favor of more movies on campus? (b) What proportion of the sampled females is in favor of more movies on campus?
(c) What proportion of the sampled males is in favor of more movies on campus?
Explanation / Answer
Consider the table:
a) P(favor) = 555/1000 = 0.555 [answer]
b) P(favor|female) = 225/450 = 0.50 [answer]
c) P(favor|male) = 330/550 = 0.60 [answer]
In favor No opinion Opposed Male 330 165 55 550 Female 225 180 45 450 555 345 100 1000Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.