The following table shows the probability distribution for a discrete random variable. X 12 15 17 20 22 24 25 30 P (X) 0.07 0.21 0.17 0.25 0.05 0.04 0.13 0.08 What is the mean of this discrete random variable? (That is, what is E (X), the expected value of X?) A. 20 B. 19.59 C. 20.625 D. 21
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “The following table shows the probability distribution for a discrete random variable. X 12 15 17 20 22 24 25 30 P (X) 0.07 0.21 0.17 0.25 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
What is 4x + 2 + 2x + x2 + x equal
Answers (1)
Jack mows the lawns to earn money. he charges a flat fee of $20 for showing up plus $15 for each hour it takes him to mow the lawn. Write an equation that models this situation for the money Jack makes Y in terms of the hours he works X
Answers (2)
X-4y=16 show me how to get y and x.
Answers (1)
Find the integral of arccos x / sqrt (1-x^2) dx.
Answers (1)
Is negative 5/16 greater less than or equal to negative 8/25
Answers (1)
New Questions in Mathematics
To decrease an amount by 23%, multiply by?
Answers (1)
A garden (60 ft x 40 ft) is surrounded on all sides by a 5 foot walkway. What is the area of the garden? What is the area of the walkway? What is the perimeter along the outer edge of the walkway?
Answers (1)
Josh cut a square sheet of paper along a diagonal to make two congruent triangles. The area of one triangle is 60.5 in." Find the length of one side, s, of the square. Show your work.
Answers (1)
In a random sample of cars driven at low altitudes, of them exceeded a standard of grams of particulate pollution per gallon of fuel consumed. In an independent random sample of cars driven at high altitudes, of them exceeded the standard.
Answers (1)
Suppose you do a favor for 3 people. then you ask each of them to do a favor for 3 more people, passing along the request that each person who receives a favor does a favor for 3 more people.
Answers (1)