Suppose the distribution of numbers of people per household is as follows: X - P P(X) 0.
View the step-by-step solution to:

Question

Screenshot 2019-10-08 at 21.40.26.png

i. Find x?

ii.

Find expected number - E(X) and find the standard deviation?

iii. What is the probability of more than 4 people per household?

iv. What is the probability of between 2 and 4 people per household (inclusive)?

v. What is the probability of less than 3 people per household?



A student is taking a multiple choice exam. There are 4 multiple choice questions with each question having 4 choices.

Screenshot 2019-10-08 at 21.40.26.png

Suppose the distribution of numbers of people per household is as follows:
X
-
P
P(X)
0.25
0.33
0.17
0.15
X

Top Answer

Hello i. x=0.1 ii. expected number is: 2.52 and the... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question