Mr and Mrs

question 20

Multiple Choice

Mr. and Mrs. Jones live in a neighbourhood where the mean family income is $45,000 with a
Standard deviation of $9,000. Mr. and Mrs. Smith live in a neighbourhood where the mean is
$100,000 and the standard deviation is $30,000. What are the relative dispersions of the family
Incomes in the two neighbourhoods?

• A) Jones 40%, Smith 20%
• B) Jones 20%, Smith 30%
• C) Jones 30%, Smith 20%
• D) Jones 50%, Smith 33%

---

Definitions:

Speed Limits

Legal maximum or minimum speeds set for vehicles on particular roads to ensure safety.

Binomial Experiment

A statistical experiment that has exactly two mutually exclusive outcomes, often labeled as success and failure.

Possible Outcomes

Refers to all the potential results that may occur from a specific action or random experiment.

Probability

The likelihood or chance that a particular event will occur, often expressed as a number between 0 and 1.