Probability Pre-Algebra

If the spinner below was spun 100 times, about how many times would you expect the spinner to land on red?

• 20

• 25

• 15

• 35

If the spinner below is spun 12 times, how many times can you expect the spinner to land on R?

• 6

• 8

• 12

• 3

If the spinner below is spun 16 times, how many times can you expect the spinner to land on the number 3?

• 4

• 2

• 16

• 3

If a coin is tossed 100 times, about how many times should the coin turn up tails?

• If I toss a coin 100 times then I should land on tails 25 times

• If I toss a coin 100 times then I should land on tails 45 times

• If I toss a coin 100 times then I should land on tails 55 times

• If I toss a coin 100 times then I should land on tails 50 times

You want to roll the die and get an even number. Then you want to spin the spinner and get an odd number. Are these independent or dependent compound events?

• independent

• dependent

You want to draw a heart and then draw another heart.

You draw the first card, look at it, put it back in the deck and draw another card. Are these independent or dependent compound events?

• dependent

• independent

You want to draw two aces. You draw one card, look at it, keep it out and draw another card. Are these independent or dependent compound events?

• independent

• dependent

Is the event INDEPENDENT or DEPENDENT?
You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy.  We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.

• Independent

• Dependent

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

A likely chance event is closer to what number?

• 0

• 1

• .5

• 100