If the Ratio of Boys to Girls in a Class

question 25

Multiple Choice

If the ratio of boys to girls in a class is 5 to 1, will the ratio of boys to girls stay the same, become greater, or become smaller if 2 boys and 2 girls are added to the class? ​

• A) become greater
• B) become smaller

Understand the concept and characteristics of random variables.

Identify the differences between continuous and discrete random variables.

Calculate probabilities using probability distributions.

Distinguish between mutually exclusive and non-exclusive events.