it currently takes users a mean of 25 minutes to install the most popular computer program made by Rode Tech, a software design company. After changes have been made to the program the company executives want to know if the new mean is now different from 25 minutes so that they can change their advertising accordingly. A simple random sample of 51 new customers are asked to time how long it takes for them to install the software. The sample meanis 262 minutes with a standard deviation of 45 minutes. Perform a hypothesis test at the 0.01 level of significance to see if the mean installation time has changed Step 3 of 3: Draw a conclusion and interpret the decision Answer Tables Keypad Keyboard Shortcuts We reject the null hypothesk and conclude that there is sufficient evidence at a 0.01 level of significance that the new mean installation time is different from 25 minutes and that RodeTech may need to change their advertising We fail to reject the poll hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the new mean installation time is different from 25 minutes and that Rode Tech may need to change their advertising We all to reject the nut hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the new mean installation time is different from 25 minutes and that RodeTech may need to change their advertising We reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the new mean installation time is different from 25 minutes and that RodeTech may need to change their advertising