Recalculate the probability of failure in Example 43.6 for a criterion of 15 days. Rather than estimating the probability value from a normal probability plot, use the Z distribution to determine the estimate.
A mail-in customer survey identified the following responses: 500 favorable, 300 neutral, 300 unfavorable. The only written comment that occurred more than once was that the price of the product should be reduced.
(a) Suggest how this information could be reported.
(b) Explain what might be done differently to get better feedback.
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here