In Testing the Hypotheses:
H₀ : ? = 950
H_{1 $\neq$}

Essay

In testing the hypotheses:
H₀ : ? = 950
H₁ : ? $\neq$$\neq$ 950,
the following information was given: ? = 1000, $\alpha$ = 0.05, ? = 180 and n = 75.
It was found that ? = 0.2061.
a. Recalculate ? if n = 100.
b. What is the effect of increasing the sample size on the value of ??