According to the Law School Admission Council, in Fall 2006, 63% of law school a

Question

According to the Law School Admission Council, in Fall 2006, 63% of law school applicants were accepted to some law school. The training program LSATisfaction claims that 163 of the 240 students trained in 2006 were admitted to law school. Assume that the trainees are a representative sample of the population. We would like to test whether LSATisfaction has demonstrated a real improvement over the national percentage of admissions.

What is the Test statistic?

Question 11 options:

1.633

1.96

1.579

1.645

None of these answers

1.633

1.96

1.579

1.645

None of these answers

Explanation / Answer

P = 0.63

p = 163/240 = 0.6792

n = 240

= sqrt[ P * ( 1 - P ) / n ] = sqrt [0.63 * (1 - 0.63) / 240] = 0.0312

z = (p - P) / = (163/240 - 0.63) / 0.0312 = 1.578

Option-C) 1.579

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