Question

A restaurant would like to evaluate the efficiency of its workers, so they observe the workers during the second shift.

Answer 1

Answer:

1.) It is biased

2.) No

3.) Yes

4.) No

Step-by-step explanation:

1.) It is biased  as it is predisposition to one particular outcome over another.

2.) No, because biased in research leads to unrepresentative outcomes as the estimates is predisposed to the left or to the right of the true values.

3.) Yes. Since the selection of shift has an equal probability of being chosen.

4.) No. The probability that the sample  accurately reflects the efficiency of the workers, the standard should be 95%.