A woman’s first pregnancy is normal but her second pregnancy…

A woman’s first pregnancy is normal but her second pregnancy results in hemolytic disease of the newborn (HDN), or erythroblastosis fetalis. The second child needed a transfusion to completely replace the agglutinating blood. The mother is most likely type __________ and both children are most likely __________.

Assume that red blood cell counts of women are normally dist…

Assume that red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382.   a. Find the probability that a randomly selected woman has a red blood count is less than 4.2. Round to 4 decimals. [a1] b. Find the probability that a randomly selected woman has a red blood count is greater than 5.4. Round to 4 decimals.  [a2] c. Find P80, the 80th percentile for the red blood cell counts of women. Round to three decimal places.  [a3] d. If 25 women are randomly selected, find the probability that the mean of their red blood cell counts is less than 4.444. Round to 4 decimals. [a4] e. What percentage of women have red blood cell counts in the normal range between 4.2 and 5.4? Round to one tenth of a percent. [a5]

About 35% of the population has blue eyes (based on a study…

About 35% of the population has blue eyes (based on a study by Dr. P. Sorita Soni at Indiana University)  a. If someone is randomly selected, what is the probability that he or she does not have blue eyes? [answer1] b. If three different people are randomly selected, what is the probability that they all have blue eyes?  [answer2]