Related questions with answers
A placement test is given by a university to predict student success in a calculus course. On average, of students who take the test pass it, and of those who pass the test also pass the course, whereas of those who fail the test pass the course.
(a) What is the probability that a student taking the placement test and the calculus course will pass the course?
(b) If a student passed the course, what is the probability that he or she passed the test?
Lactose intolerance Lactose intolerance affects about of non-Hispanic White Americans; of Hispanic Americans; and of African, Asian, and Native Americans (Source: Jean Carper, "Eat Smart," USA Weekend). Seventy-six percent of U.S. residents are non-Hispanic Whites; of them are Hispanic; and are African, Asian, or Native American. If a person is selected from this group of people, what is the probability that the person will have lactose intolerance?
Provide the probability that a person chosen at random from a group of people will have lactose intolerance if the group contains of non-Hispanic White Americans, of Hispanic Americans and of African, Asian and Native Americans who have lactose intolerance. Notice that of U.S. citizens are non-Hispanic Whites, of them are Hispanic and are African, Asian or Native American.
Recommended textbook solutions
More related questions