Mathematics, 07.10.2019 20:00 dri16947
The prevalence of blood types in the us population is o+: 37.4%, a+: 35.7%, b+: 8.5%, ab+: 3.4%, o–: 6.6%, a–: 6.3%, b–: 1.5%, and ab–: 0.6%. 1) a sample of 24 subjects is randomly selected from the us population. what is the probability that 8 subjects are a+. random variable x describes the number of a+ subjects among 24 selected. find ex and var x.
Answers: 2
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 18:00, abhibhambhani
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
Answers: 1
Mathematics, 21.06.2019 22:10, mairealexander87
Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?
Answers: 1
Mathematics, 21.06.2019 23:30, georgesarkes12
Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75
Answers: 1
You know the right answer?
The prevalence of blood types in the us population is o+: 37.4%, a+: 35.7%, b+: 8.5%, ab+: 3.4%,...
Questions in other subjects:
Business, 26.05.2021 15:40
