Hello, i need help in hypothesis testing. should include the ff: given, state the hypothesis, critical region, calculation and decision

1. According to a dietary study, a high sodium intake may be related to ulcers, stomach cancer, and migraine headaches. The human requirement for salt is only 220 milligrams per day, which is surpassed in most single servings of ready-to-eat cereals. If a random sample of 15 similar servings of certain cereal has a mean sodium content of 244 milligrams and a standard deviation of 24.5 milligrams, does this suggest at the 0.05 level of significance that the average sodium content for a single serving of such cereal is greater than 220 milligrams? 2. A random sample of 64 bags of White Cheddar popcorn weighed on average, 5.23 ounces with a standard deviation of 0.24 ounces. Test the hypothesis that u=5.5 ounces against the alternative M