According to the American Time Use Survey, the mean number of hours each day Americans age 15 and older spend eating and drinking is 1.22. A researcher wanted to know if Americans age 15 to 19 spent less time eating and drinking. After surveying 50 Americans age 15 to 19 and running the appropriate hypothesis test, she obtained a P-value of 0.0329. i. State the null and alternative hypothesis this researcher used.
ii. Interpret the P-value.
iii. Determine and explain what a Type I error would be for this situation. What level of severity is this for this context?