Arandom sample of 146 recent donations at a certain blood bank reveals that 84 were type a blood. does this suggest that the actual percentage of type a donations differs from 40%, the percentage of the population having type a blood? carry out a test of the appropriate hypotheses using a significance level of 0.01. state the appropriate null and alternative hypotheses. h0: p = 0.40 ha: p < 0.40 h0: p ≠ 0.40 ha: p = 0.40 h0: p = 0.40 ha: p ≠ 0.40 h0: p = 0.40 ha: p > 0.40 calculate the test statistic and determine the p-value. (round your test statistic to two decimal places and your p-value to four decimal places.) z = p-value = state the conclusion in the problem context. do not reject the null hypothesis.

1. there is not sufficient evidence to conclude that the percentage of type a donations differs from 40%. do not reject the null hypothesis.
2. there is sufficient evidence to conclude that the percentage of type a donations differs from 40%. reject the null hypothesis.
3. there is sufficient evidence to conclude that the percentage of type a donations differs from 40%. reject the null hypothesis.
4. there is not sufficient evidence to conclude that the percentage of type a donations differs from 40%.

would your conclusion have been different if a significance level of 0.05 had been used?
a. yes
b. no