Continuous Random Variables & Density Curves

Continuous Random Variables & Density Curves

​

Multiple Choice

The weight of a newborn infant.

• Discrete

• Continuous

Multiple Choice

The number of points scored by a team during a basketball game.

• Discrete
• Continuous

Multiple Select

Check all answers that are true.

• Is the entire graph above the x-axis?

• Is the area under the figure = 1 (Hint: Since each box = 0.1 units, you need 10 boxes.)

• At least one of the conditions is not met, this is not a valid density curve.

• This is a valid density curve.

Multiple Select

Check all answers that are true.

• Is the entire graph above the x-axis?

• Is the area under the figure = 1 (Hint: Since each box = 0.1 units, you need 10 boxes.)

• At least one of the conditions is not met, this is not a valid density curve.

• This is a valid density curve.

Multiple Select

Check all answers that are true.

• Is the entire graph above the x-axis?

• Is the area under the figure = 1 (Hint: Since each box = 0.1 units, you need 10 boxes.)

• At least one of the conditions is not met, this is not a valid density curve.

• This is a valid density curve.

Multiple Select

Check all answers that are true.

• Is the entire graph above the x-axis?

• Is the area under the figure = 1 (Hint: Since each box = 0.1 units, you need 10 boxes.)

• At least one of the conditions is not met, this is not a valid density curve.

• This is a valid density curve.

Multiple Select

Check all answers that are true.

• Is the entire graph above the x-axis?

• Is the area under the figure = 1 (Hint: Since each box = 0.1 units, you need 10 boxes.)

• At least one of the conditions is not met, this is not a valid density curve.

• This is a valid density curve.

Multiple Choice

Find the probability the snowfall will be between 3 and 6 inches.

• .2
• .4
• .6
• 1

Multiple Choice

Find the probability the snowfall will be less than 2 inches.

• .2

• .4

• .6

• 1

Multiple Choice

What percent of the area under the curve is greater than 3?

• 50%

• 25%

• 10%