b) What is the z-score for a newborn baby weight of 2800grams? Is the baby above average or below average in weight? c) Would a newborn baby weight of 4200grams be considered unusual? Justify 7) [8 pts] The distribution of number of acres burned by forest and range fires in a large New Mexico County is approximately normal with mean = 4300 acres per year, and standard deviation = 750 acres. a) The random variable in this scenario is b) The variable is (circle one): Discrete Continuous. c) What is the probability that more than 4200 acres will be burned in any given year? Round your answer to 3 decimal places. Show your work: Shade and label the normal curve and state which function you used on the calculator. d) How many acres will have to be burned this year for it to be in the 25th percentile? Round answer to the nearest whole acre. Show your work: Shade and label the normal curve and state which function you used on the calculator