A New Manager,hired at a Large Warehouse,was Told to Reduce $p _ { p }$

question 44

Multiple Choice

A new manager,hired at a large warehouse,was told to reduce the employee sick leave.The manager introduced a new incentive program for employees with perfect attendance.Suppose the proportion of the employees sick prior to the new program is $p _ { p }$ and the employees sick after the new program is $\mathrm { Pa }$ .A study found a 98% confidence interval for $p _ { p }$ - $\mathrm { Pa }$ is (-0.0668,0.1125) .Give an interpretation of this confidence interval.

• A)We know that 98% of the employees sick after the new program is between 6.68% less and 11.25% more than the employees sick prior to the new program.
• B)We are 98% confident that the proportion of the employees sick prior to the new program is between 6.68% less and 11.25% more than the proportion of the employees sick after the new program.
• C)We know that 98% of all random samples done on the population will show that the proportion of the employees sick prior to the new program is between 6.68% less and 11.25% more than the proportion of the employees sick after the new program.
• D)We know that 98% of the employees sick prior to the new program is between 6.68% less and 11.25% more than the employees sick after the new program.
• E)We are 98% confident that the proportion of the employees sick after the new program is between 6.68% less and 11.25% more than the proportion of the employees sick prior to the new program.

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Definitions:

Prothrombin

Glycoprotein present in blood that, in the presence of prothrombin activator, is converted to thrombin.

Fibrin-stabilizing Factor

An enzyme that crosslinks fibrin clots, stabilizing them in the process of coagulation.

Agglutination

The clumping of particles or cells, such as bacteria or red blood cells, in response to antigens or antibodies, often used in blood typing and in identifying or estimating the strength of immunities.

Erythrocytes

Red blood cells that are responsible for carrying oxygen from the lungs to the body tissues and carbon dioxide as a waste product away from the tissues and to the lungs.