Assume that the red blood cell counts of women are normally distributed with a mean of 4.577 million cells per microliter and a standard deviation of 0.382 million cells per microliter. Approximately what percentage of women have red blood cell counts in the normal range from 4.2 to 5.4 million cells per microliter? Round to two decimal places. O A. 4.09% O B. 17.69% OC. 82.26% O D. 16.11%

Assume the cholesterol levels of an adult can be described by a Normal model with a mean of 185 mg/dL and a standard deviation of 28. Complete parts a through e. a) Draw and label the Normal model. OA. В. Oc. 68% 68% 68% 95% 99.7% 95% 95% 99.7% 17 73 129185241297353 99.7% 10112915718521324 1269 143157171185199213227 b) What percent of adults do you expect to have cholesterol levels over 190 mg/dL? (Round to two decimal places as needed.) c) What percent of adults do you expect to have cholesterol levels between 150 and 160 mg/dL? (Round to two decimal places as needed.) d) Estimate the interquartile range of cholesterol levels. IQR = mg/dl (Round to the nearest integer as needed.) e) Above what value are the highest 15% of adults' cholesterol levels? mg/dl (Round to the nearest integer as needed.)

The length of pregnancy for a certain breed of domestic cats is normally distributed with a mean of 65.6 days and a standard deviation of 3.3 days. A pregnancy that lasts less than 60 days is preterm. What percentage of pregnancies of this breed are preterm? Round your response to one decimal place. %

A successful basketball player has a height of 6 feet 6 ​inches, or 198 cm. Based on statistics from a data​ set, his height converts to the z score of 3.38. How many standard deviations is his height above the​ mean?   The​ player's height is _____standard​ deviation(s) above the mean. ​(Round to two decimal places as​ needed.)