This quiz: 9 point(s) possible #7 Chapter 8 2625) = (Round to four decimal places as needed.)

*7 Chapter 8 Question 4 of 9 This quiz: 9 point(s) possible This question: 1 point(s) possible Submit quiz According to one association, the total energy needed dunng pregnancy IS normally distributed, With mean = 2600 kcal kcal and standard deviation o = 50 day day (a) Is total energy needed during pregnancy a qualitative vanable or a quantitative variable? kcal (b) What is the probability that a randomly selected pregnant woman has an energy need of more than 2625 day Interpret this probability (c) Describe the sampling distribution of x, the sample mean dally energy requirement for a random sample of 20 pregnant women. (d) What IS the probability that a random sample of 20 pregnant women has a mean energy need of more than 2625 kcal O Interpret this probability. day (a) Choose the correct answer below. O Quantitative O Qualitative (b) > 2625) = O (Round to four decimal places as needed ) 1 of 2 of 2 of 2 of 2