If a hypothesis is rejected at 95 confidence it a will alway

If a hypothesis is rejected at 95% confidence, it a. will always be accepted at 99% confidence b. will always be rejected at 99% confidence c. will sometimes be rejected at 99% confidence d. None of these alternatives is correct.

c. will sometimes be rejected at 99% confidence because 99% CI is wider and might contain the test value which was rejected by narrower 95% CI.