probability

A spinner has 8 sections: 2 purple, 2 yellow, 3 blue, and 1 red.
What is the probability of spinning and landing on a blue or purple section?

• P(blue or purple) = 2/8
• P(blue or purple) = 3
• P(blue or purple) = 5/8

• 2/52
• 13/52 * 13/51
• 13/52 * 12/51
• 13/52 * 13/52

What is the probability of the spinner landing on purple?

• 2/8

• 2

• 2/6

• 1/8

A scratch off lottery ticket costs $1. Given the table, what is the expected value? 

• -0.59
• -1.00
• 0.59
• 126

In a jar I have different coloured marbles. What is the probability of picking a red marble?

• 6/12

• 6/6

• 5/12

• 4/12

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• probable

• unlikely

• impossible

What is the relative frequency of rolling a 3?

• 1/10
• 1/20
• 3/20
• 1/6

How many 5-digit (numerical) passwords are possible for the school email system if the first digit cannot be 0?

• 11,424,400
• 10,967,424
• 9000
• 90,000

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

What is the probability of landing on the color blue on the spinner?

• 3/3
• 5/3
• 3/12 or 1/4
• 1/3