Not to reject the null hypothesis that the percentage of adults who have jobs is at least 88% when that percentage is actually less than 88% Not to reject the null hypothesis that the percentage of adults who have jobs is at least 88% when the percentage is actually at least 88%. Reject the null hypothesis that the percentage of adults who have jobs is at least 88% when the percentage is actually at least 88%. Reject the null hypothesis that the percentage of adults who have jobs is at least 88% when that percentage is actually less than 88%.