# Question

Assume that X is a Poisson random variable with µ = 4. Calculate the following probabilities.

a. P(X = 4)

b. P(X = 2)

c. P(X ≤ 1)

a. P(X = 4)

b. P(X = 2)

c. P(X ≤ 1)

## Answer to relevant Questions

Let the mean success rate of a Poisson process be 8 successes per hour.a. Find the expected number of successes in a half-hour period.b. Find the probability of at least 2 successes in a given half-hour period.c. Find the ...Airline travelers should be ready to be more flexible as airlines once again cancel thousands of lights this summer.The Coalition for Airline Passengers Rights, Health, and Safety averages 400 calls a day to help stranded ...Compute the probability of no success in a random sample of three items obtained from a population of 12 items that contains two successes. What are the expected number and the standard deviation of the number of ...A professor uses a relative scale for grading. She announces that 60% of the students will get at least a B, with 15% getting A’s. Also, 5% will get a D and another 5% will get an F. Assume that no incompletes are given in ...Suppose you draw three cards, without replacement, from a deck of well shuffled cards. Remember that each deck consists of 52 cards, with 13 each of spades, hearts, clubs, and diamonds.a. What is the probability that you ...Post your question

0