kcal kcal According to one association, the total energy needed during pregnancy is normally distributed, with mean u = 2600 and standard deviation 0 = 50 day (a) Is total energy needed during pregnancy a qualitative variable or a quantitative variable? kcal (b) What is the probability that a randomly selected pregnant woman has an energy need of more than 2625 a? Interpret this probability. (c) Describe the sampling distribution of )_(, the sample mean daily energy requirement for a random sample of 20 pregnant women. kcal (d) What is the probability that a random sample of 20 pregnant women has a mean energy need of more than 2625 day? Interpret this probability. day ' (a) Choose the correct answer below. 0 Quantitative O Qualitative (b) P(X > 2625) = |: (Round to four decimal places as needed.) he kcal kcal According to one association, the total energy needed during pregnancy is normally distributed, with mean u = 2600 and standard deviation o = 50 day day (a) Is total energy needed during pregnancy a qualitative variable 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 daily energy requirement for a random sample of 20 pregnant women. kcal (d) What is the probability that a random sample of 20 pregnant women has a mean energy need of more than 2625 ? Interpret this probability. day Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. (Round to the nearest whole number as needed.) kcal O A. If 100 pregnant women were randomly selected, would be expected to have an energy need of more than 2625 day kcal it O B. For every 100 pregnant women selected, exactly will have an energy need of more than 2625 day kcal O C. If 100 pregnant women were randomly selected, at least will have an energy need of more than 2625 day kcal O D. If 100 pregnant women were randomly selected, at most will have an energy need of more than 2625 day (c) The sampling distribution of x is with mean u- = and standard deviation of = ic (Type integers or decimals rounded to three decimal places as needed.)kcal kcal According to one association, the total energy needed during pregnancy is normally distributed, with mean u =2600 F1! and standard deviation 5 = 50 Tay' (a) Is total energy needed during pregnancy a qualitative variable or a quantitative variable? kcal (b) What is the probability that a randomly selected pregnant woman has an energy need of more than 2625 E . Interpret this probability. (c) Describe the sampling distribution of i, the sample mean daily energy requirement for a random sample of 20 pregnant women. kcal (d) What is the probability that a random sample of 20 pregnant women has a mean energy need of more than 2625 W? Interpret this probability. (d) P (i > 2625) = :| (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and ll in the answer box to complete your choice. (Type a whole number.) 0 A- . _ . kcal For every 100 different random samples of 20 pregnant women obtained, exactly El Will have a mean energy need of more than 2625 E. O B. kcal If 100 different random samples of 20 pregnant women were obtained, at most '1 will have a mean energy need of more than 2625 day' O C. kcal If 100 different random samples of 20 pregnant women were obtained, would be expected to have a mean energy need of more than 2625 dTy' O D. kcal If 100 different random samples of 20 pregnant women were obtained, at least El will have a mean energy need of more than 2625 E