## TGT Probability

Hearts

Q1. If there are 6 red marbles and 10 green marbles in a bag, what is the probability of getting a green?
Q2. How many outcomes are there when you flip a coin?
Q3. What is the probability of getting a 1 on a fair dice?

Q4.

What is the probability that the counter selected is green?

Q5. What is the probability of getting a head when tossing a coin?
 3 4 9 7 3 2 8 1
Q6. From the cards above, what is the probability of getting a yellow card?
Q7. From the cards above, what is the probability of getting a multiple of 3?

Gemma and Emma dropped a pin on the ground.  Here are their results:

 Gemma Emma Trials 20 Trials 100 Point Up 10 Point Up 75
Q1. See above: What is the probability for Gemma of getting “point up”?

Q2. See above: Whose results are more reliable? (2marks)

Why? (1mark bonus)

Q3. If there are 6 beads in a bag, 1 black, 2 green and 3 purple, which colour is least likely to be picked?

Q4. What is the probability of getting a head based on this experiment:

H,H,T,H,T,H,T,T,T,H,H,H,T,T,H,T,T,T,H, T?

Q5. What is the probability of getting a 2 based on this experiment?

2, 3, 9, 1, 4, 7, 2, 2, 5, 8.

Q6.  There are 33 counters in a bag, 13 blue, 17 red and the rest green, what is the probability of getting a green counter?
Q7. Name all the possible outcomes when tossing two coins.

Diamonds

Q1.  There are 20 cars in a car park, 4 blue, 5 green, 6 red and 5 black.  What is the probability of the next car to leave being blue?
Q2.  What is the chance of a banana being able to tallk?
1. Impossible
2. Certain
1. Even chance
3. Likely

Q3.  What is the likelihood that a baby will be born in Ireland tomorrow?
1. Impossible
2. Certain
1. Even chance
3. Likely

Q4.  The probability of getting a red ball from a bag is 4/7, what is the least number of red balls in the bag?

Q5.Which spinner would you pick if you wanted a better chance of landing on blue?

Q6.  What is the probability of getting a 4 or higher from these cards?

 1

 1
 2
 4
 5
 1
 6
 1
Q7. A card is picked at random from a deck of cards, what is the probability of the card being a prime number?

Clubs

Q1. What is the probability of getting a shaded circle?

Q2. If I throw a dice, what is the probability of getting an odd number?
Q3. What is the probability of picking a red card from a deck of cards?
Q4. How many outcomes are on a dice?
1. 7
2.  5
3. 6
4. 4

Q5. Seun recorded the result of 50 home games

 Won 25 Lost 10 Draw 15

What is the probability of the team losing their next game?

Q6.  A dice is thrown and a coin is tossed, how many outcomes are there?
Q7. What is the probability of getting a picture card from a standard deck of cards?

 Answers Hearts Spades Diamonds Clubs 1 10/16 1 ½ 1 4/20 1 4/6 2 2 2 Emma, more trials 2 a) Impossible 2 3/6 3 1/6 3 Black 3 b) Certain 3 ½ or 26/52 4 3/7 4 9/20 4 4 4 c) 6 5 ½ 5 3/10 5 (iii) 5 10/50 6 1/8 6 3/33 6 3/8 6 12 7 3/8 7 HH, TT, HT, TH 7 4/13 7 3/13 or 12/52
 Answers Hearts Spades Diamonds Clubs 1 10/16 1 ½ 1 4/20 1 4/6 2 2 2 Emma, more trials 2 a) Impossible 2 3/6 3 1/6 3 Black 3 b) Certain 3 ½ or 26/52 4 3/7 4 9/20 4 4 4 c) 6 5 ½ 5 3/10 5 (iii) 5 10/50 6 1/8 6 3/33 6 3/8 6 12 7 3/8 7 HH, TT, HT, TH 7 4/13 7 3/13 or 12/52