A test of hypothesis has the following hypotheses:
HO: p ≤ 0.45
HA: p > 0.45
For a sample size of 30, and a sample proportion of 0.55,
a. For an α = 0.025, determine the critical value.
b. Calculate the numerical value of the test statistic.
c. State the test’s conclusion.
d. Determine the p -value. |

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