The random variable x is the number of houses sold
The random variable x is the number of houses sold by a realtor in a single month at the real-estate office. Its probability distribution is:
Houses sold (x) Probability P(x)
0 ...........0.09
1............0.24
2............0.21
3............0.17
4............0.03
5............0.15
6............0.09
7............0.02
a. Compute the mean of the random variable.
b. Compute the standard deviation of the random variable.

Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
    Tutors
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
OR
Relevant Tutors available to help