What is the expected number of the new microwaves sold that will ...

[daltonest1984]

What is the expected number of the new microwaves sold that will require a warranty repair in the first 90 days?

Question 2

In linear regression, a dummy variable is used:
 a. to represent residual variables
  b. to represent missing data in each sample
  c. to include hypothetical data in the regression equation
  d. to include categorical variables in the regression equation
  e. when dumb responses are included in the data

[chevyboi1976]

Answer to Question 1

E(X) = np = 1.0

Answer to Question 2

d

[daltonest1984]

TYSM

[epscape]

Thanks for the timely response, appreciate it