Consider the following hypothesis test: H0: p ? .75 Ha: p < .75 A sample of 300 items was selected. Compute the p-value and state your conclusion for each of the following sample results. Use ? = .05. Round your answers to four decimal places.

a. p = .68 p-value? Conclusion: p-value H0?

b. p = .72 p-value? Conclusion: p-value H0 ?

c. p = .70 p-value? Conclusion: p-value H0 ?

d. p = .77 p-value? Conclusion: p-value H0?