Use the following to answer 44-45
Professor York is interested in determining the proportion of students at Oxnard University that watch more than 10 hours of television each week. He randomly surveyed 240 students, and found that 150 of the students surveyed watch more than 10 hours of television weekly.
44. Develop a 95% confidence interval to estimate the true proportion of students who watch more than 10 hours of television each week. The confidence interval is
A) .533 to .717.
B) .564 to .686.
C) .552 to .698.
D) .551 to .739.
45. How many additional samples would Professor York have to take to estimate the proportion of all Oxnard University students who watch more than 10 hours of television each week to within 3% with 99% reliability?
A) 761
B) 1001
C) 1488
D) 1728
RES / 341 RES/341 RES341 RES 341 QUIZ # 3
(Chapters 2+8 from Applied Statistics in Business and Economics )
To View all the Questions covered : 4 sets of RES341 Final
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