Please help for test

A researcher wants to test the hypothesis that childhood exposure to advertising exceeds 87 ads per day. Originally they intended to use a 0.10 significance level, but then changed it to 0.05. As a result... 0 the rejection region will become smaller 0 the rejection region may become larger or smaller 0 there is no relation between the size of the rejection region and the significance level 0 the rejection region will not change 0 the rejection region will become larger