Acompany making refrigerators strives for the internal temperature to have a mean of 37.5 degrees with a population standard deviation of 0.6 degrees, based on samples of 100. a sample of 100 refrigerators have an average temperature of 37.48 degrees. are the refrigerators within the 90% confidence interval? a. no, the temperature is outside the confidence interval of (37.40, 37.60)b. no, the temperature is outside the confidence interval of (36.90, 38.10)c. yes, the temperature is within the confidence interval of (37.40, 37.60)d. yes, the temperature is within the confidence interval of (36.90, 38.10)

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?