- 27 The Length Of Gestation For Hippopotami Is Approximately Normal With A Mean Of 266 Days And A Standard Deviation Of 1 (149.36 KiB) Viewed 12 times
27. The length of gestation for hippopotami is approximately Normal, with a mean of 266 days and a standard deviation of 8 days. a. What percentage of hippos have a gestation period less than 259 days? b. Complete this sentence: Only 7% of hippos will have a gestational period longer than days. c. In 2017, a hippo was born at a particular zoo, 6 weeks premature. This means her gestational period was only about 224 days. What percentage of hippos have a gestational period of 224 days or less? a. The percentage of hippos that have a gestation period less than 259 days is (Round to one decimal place as needed.) b. Only 7% of hippos will have a gestational period longer than (Round to the nearest integer as needed.) c. The percentage of hippos that have a gestation period less than 224 days is (Round to one decimal place as needed.) % (Round to the nearest integer as needed.) 28. Scores on an exam required for all medical school applicants were approximately Normal with a mean score of 489 and a standard deviation of 9.8. Complete parts (a) and (b) below. a. Suppose an applicant had a test score of 494. What percentile corresponds with this score? b. Suppose to be considered at a highly selective school an applicant should score in the top 10% of all test takers. What score would place an applicant in the top 10%? (Round to the nearest integer as needed.) The 15th percentile is (Round to one decimal place as needed.). Choose the correct graph below. 29. Suppose the heights of women at a college are approximately Normally distributed with a mean of 64 inches and a population standard deviation of 1.5 inches. What height is at the 15th percentile? Include an appropriately labeled sketch of the Normal curve to support your answer. inches. OA. days. OB. z-score %. O C. AAAA z-score Z-score O D. Z-score