A wedding website states that the average cost of a wedding is 27 825 One concerned bride hopes that the average is less than reported To see if her hope is correct she surveys 46 recently married couples and finds that the average cost of weddings in the sample was 26 321 Assuming that the population standard deviation is 6721 is there sufficient evidence to support the bride s hope at the 0 05 level of significance Step 3 of 3 Draw a conclusion and interpret the decision Answer 0 5 Points Keypad Keyboard Shortcuts We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0 05 level O of significance to support the bride s hope that the mean cost of a wedding is less than 27 825 We reject the null hypothesis and conclude that there is insufficient evidence at a 0 05 level of significance to support the bride s hope that the mean cost of a wedding is less than 27 825 We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0 05 O level of significance to support the bride s hope that the mean cost of a wedding is less than 27 825 We reject the null hypothesis and conclude that there is sufficient evidence at a 0 05 level of significance to support the bride s hope that the mean cost of a wedding is less than 27 825