A Fund Manager Wants to Know If It Is Equally

question 52

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 critical value approach,the decision and conclusion are

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

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Definitions:

Multiply

To perform a mathematical operation where a number is added to itself a certain number of times, represented by the symbol \(*\).

Simplify

The process of altering an expression to make it easier to read or work with, typically by combining like terms and using algebraic properties.

Perform Operations

The process of carrying out mathematical computations such as addition, subtraction, multiplication, and division.

Simplify

Simplifying an expression to its most basic state.