Sol 8.11 Probability

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
P( Yellow or green)

• 1/40

• 7/20

• 6/19

• 1/38

Jordan has 15 tennis balls in a basket: 7 are green and 8 are yellow. What is the probability that she randomly picks a green ball from the bag, gives it to another player, and then picks another green ball?

A bag contains five red, three green, and two blue marbles.

Which of the following events has the greatest likelihood of occurring?

• A red marble is selected, not returned to the bag, and another red marble is selected

• A green marble is chose, replaced, and then a blue marble is chosen.

• A blue marble is picked, put back in the bag, and then a red marble is picked.

• All are equally likely

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?

Eleven letters spelling “probability” are placed in a bag. You pick one, replace it, and then pick another. What is the probability of picking a "p" and then an "i"?

Nelson is learning the difference between independent and dependent probability. Select all scenarios that show an example of dependent probability.

• Picking a piece of candy from a bag, and then a friend picking a piece.

• Drawing a card from a deck, replacing it, and then drawing another card.

• Spinning a spinner twice.

• Selecting a prize from a bag, then turning to another person to let them select a prize from the bag.

• Rolling a number cube five times.

Jerry has a bag containing 30 pieces of candy. In the bag, Jerry finds 12 pieces of gum, 7 jolly ranchers, 5 fireballs, and 6 milk duds.

Which statement is true?

• Jerry has an equal chance of drawing any one piece of candy.

• Jerry is more likely to draw out a milk dud than any other candy.

• Jerry is more likely to draw out a piece of gum than any other candy.

• Jerry is more likely to draw out a blow pop than any other candy.

Jerry has a bag containing 30 pieces of candy. In the bag, Jerry finds 12 pieces of gum, 7 jolly ranchers, 5 fireballs, and 6 milk duds.

Directions: Write your answer in the box. Use “/” for the fraction bar. Do not use spaces.

What is probability of drawing out a fireball? Write your answer in simplest form.

Elisabeth has a bag holding a blue sock, a red sock, and a yellow sock. What is the probability of her picking a blue sock out of the bag on the first pick then without replacing the blue sock in the bag, picking a red sock on the second pick?

Hillary has these tiles that are the same size and shape.

· 6 blue tiles

· 9 green tiles

· 10 orange tiles

What is the probability that Hillary will randomly select an orange tile, not replace it, then randomly select a blue tile?