Favor of a new building project
A poll is given, showing 40% are in favor of a new building project.
If 3 people are chosen at random, what is the probability that exactly 1 of them favor the new building project?
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Find the probability that overbooking occurs_________? Find the probability that the flight has empty seats_________?
About 5% of the population has a particular genetic mutation. 500 people are randomly selected. Determine the mean for the number of people with the genetic mutation in such groups of 500.
About 9% of the population has a particular genetic mutation. 900 people are randomly chosen. Determine the standard deviation for the number of people with the genetic mutation in such groups of 900.
In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 36 and a standard deviation of 4.
A poll is given, showing 40% are in favor of a new building project. If 3 people are chosen at random, what is the probability that exactly 1 of them favor the new building project?
Suppose a certain engineering class is given midterm examination. The probability of student studying for exam is 0.7. Of those students who study, the probability of their passing midterm is 0.9. If a student doesn't study, his or her probability
According to the data from the College Board, the mean quantitatigve SAT score for female college bound high school seniors in 2009 was 500. Suppose that SAT scores are approximately Normally distributed with the population standard deviation of 1
The human gestation period (length of pregnancy) is 270 days with standard deviation of 9 days and is approximately Normlly distributed (assuming spontaneous labor). Determine the probability that randomly chosen woman's gestation period will be b
In a certain college, 55% of the students are women. Assume we take a sample of 2 students. Determine the probability with 4th decimal accuracy that at least one of the 2 chosen students is a woman.
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Laurie's study also validated that among the study participants the topic of sexual abuse/assault was a top choice of interest for group