A car wholesaler estimates the quantity of new cars retailed that have been returned back a many
number of times for the rectification of defects during the warranty. The results are given in the
following table. Show complete working.
Number of cars
returns back 0 1 2 3 4
Probability 0.25 0.34 0.22 0.07 0.03
a. Compute the mean of the number of cars returns for rectifications for defects during the
warranty time.
b. Calculate the variance of the number of cars returns for rectifications for defects during
the warranty time.
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment