Sol 8.11 Probability

The names of 6 boys and 7 girls are written on cards and placed in a hat. You pick one card, and without replacing it, you pick another. What is the probability of picking 2 cards with girls’ names?

What is the probability of spinning this wheel twice and landing on the green section both times?

TRUE OR FALSE?! Independent probability happens when the probability of the first event does not affect the probability of the second event.

• True

• False

What is the probability of drawing a 2, not replacing it and then drawing an even number?

• 1/18

• 1/15

• 1/12

• 1/10

Razz-Berri rolls two number cubes.  What is the probability that the sum of the two number cubes will be less than 5?
(Yes, I've actually had a student with this name)

• 1/4

• 1/12

• 1/9

• 1/6

Q1. What is the probability of getting a 1 when rolling a die?

• 1/4

• 2/95

• 7/20

• 5/20

A drawer has 4 red socks and 6 blue socks. Two socks are drawn at random without looking. What is the probability that both socks are red?

In a deck of 52 cards, two cards are drawn successively without replacement. What is the probability that both cards are aces?

A basket contains 10 apples and 5 oranges. If two fruits are picked randomly without replacement, what is the probability that both are apples?

In a box, there are 8 yellow, 4 red, and 3 blue balls. If two balls are drawn randomly without replacement, what is the probability that both are red?