Mathematics, 08.06.2021 15:40 cdavis379
Suppose that, out of a group of 100 UF students, 90 are from Florida. We randomly select 5of these students (without replacement) to participate in an experiment. LetXdenote thenumber of students selected who are from Florida.
Required:
a. Find E[X].
b. Find P(X > 4).
c. Now suppose that we instead select 20 of these students. Let Y denote the number of selected students who are from Florida. Find P(Y < 5).
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 17:20
7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?
Answers: 1
Mathematics, 21.06.2019 18:30
Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !
Answers: 1
Mathematics, 21.06.2019 22:10
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
You know the right answer?
Suppose that, out of a group of 100 UF students, 90 are from Florida. We randomly select 5of these s...
Questions
Health, 22.06.2020 20:57
Computers and Technology, 22.06.2020 20:57
History, 22.06.2020 20:57
Mathematics, 22.06.2020 20:57
Biology, 22.06.2020 20:57
Mathematics, 22.06.2020 20:57
Biology, 22.06.2020 20:57
Social Studies, 22.06.2020 20:57
English, 22.06.2020 20:57
Mathematics, 22.06.2020 20:57
Mathematics, 22.06.2020 20:57
Mathematics, 22.06.2020 20:57
