A Null Hypothesis Is π ≥ 0

Multiple Choice

A null hypothesis is π ≥ 0.65. To test this hypothesis, a sample of 400 is taken and alpha is set at 0.05. If the true proportion is π = 0.60, what is the power of the test?

A) 0.33
B) 0.45
C) 0.95
D) 0.67
E) 0.77