Choose all the expressions that are equal to 5/9 x 8 *Hint: There are 2 correct answers

a
9÷5×8
b
8/9×5
c
5÷8×9
d
5×1/9×8

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?