Question 20 (1 point) The workweek for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then working adults in the US. She asks 15 engineering friends at start-ups for the lengths in hours of their workweek. Their responses are shown in the table below. Test the claim using a 1% level of significance. See Excel for Data. workweek hour data.xlsx The hypotheses for this problem are: Ho: H = 47 H1. H = 47 What is the correct summary? O There is not enough evidence to support the claim that the mean workweek for employees at start-up companies work more than 47 hours. There is enough evidence to support the claim that the mean workweek for employees at start-up companies work more than 47 hours