A Recent Survey Reported That in a Sample of 300

Multiple Choice

A recent survey reported that in a sample of 300 students who attend two-year colleges, 105 work at least 20 hours per week. Additionally, in a sample of 225 students attending private four-year universities, only 20 students work at least 20 hours per week. What is the test value for a test of the difference between these two population proportions?

A) 6.95
B) 7.61
C) 2.38
D) 4.18