The diameter of a sphere is 10 in. what is the sphere's volume? round to the nearest tenth, if necessary. a) 104.7 in3 b) 209.4 in3 c) 421.2 in3 d) 523.6 in3

The weights of soy patties sold by a diner are normally distributed. a random sample of 15 patties yields a mean weight of 3.8 ounces with a sample standard deviation of 0.5 ounces. at the 0.05 level of significance, perform a hypothesis test to see if the true mean weight is < 4 ounces. what is the correct conclusion at the 0.05 level of significance?