A Fund Manager Wants to Know If It Is Equally

question 30

Multiple Choice

A fund manager wants to know if it is equally likely that the Dow Jones Industrial Average will go up each day of the week. For each day of the week, the fund manager observes the following number of days when the Dow Jones Industrial Average goes up. Using the p-value approach and α = 0.05, the decision and conclusion are ________.

• A) do not reject the null hypothesis; all of the proportions are the same
• B) do not reject the null hypothesis; we cannot conclude that not all of the proportions are the same
• C) reject the null hypothesis; not all of the proportions are the same
• D) reject the null hypothesis; all of the proportions are not the same

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Definitions:

Junk Food

Food items with little nutritional value, high in calories, sugars, fats, and salts, often processed or fast food.

Inactivity

Lack of physical movement or exercise, often associated with increased health risks.

Weight Loss

The process of losing body weight, typically by means of reducing body fat or overall body mass.

Isometric Exercise

A form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint.