Search Results: 'probability distribution X'
Calculation of Probability using Binomial Distribution
"Assume the likelihood that any flight on Northwest Airlines arrives within 15 minutes of the scheduled time is .90. We select four flights from yesterday for study.
a. What is the likelihood... More > all four of the selected flights arrived within 15 minutes of the scheduled time?
b. What is the likelihood that none of the selected flights arrived within 15 minutes of the scheduled time?
c. What is the likelihood at least one of the selected flights did not arrive within 15 minutes of the scheduled time?
Identify the Distribution of the given Random Variable
"A bag contains 5 blue balls and 8 purple balls. If 3 balls are chosen randomly and without replacement, form the bag. Let x be the number of blue balls obtained. Then x has a distribution.
(a)... More > Poisson
Finding the Expected Value of the Random Variable X
"An experiment consists of flipping a fair coin three times and noting the number of heads and tails. A random variable x is defined to be two times the number of heads plus the number of tails.... More >
Find E(x), the expected value of x.