1) How many total pieces of candy are in the box?
2) What is the probability of selecting a cherry piece?
3) What is the probability of selecting a lemon piece?
4) What is the probability of selecting a grape piece?
5) If you picked 1 piece of candy out of the box which flavor would you have the highest probability of selecting?
6) Which flavor has the lowest probability of being selected?
7) If you picked a piece at random would you be more likely to select, a lemon piece or a cherry piece?
8) What is the probability of selecting either a cherry piece OR a grape piece?
9) Your friend wants either a cherry piece or a grape piece. If you picked a piece out randomly, which one would you have the highest probability of selecting?
2) Faisal chooses a letter of the alphabet at random. Here are some possible outcomes.
3) What is the probability of selecting a lemon piece?
4) What is the probability of selecting a grape piece?
5) If you picked 1 piece of candy out of the box which flavor would you have the highest probability of selecting?
6) Which flavor has the lowest probability of being selected?
7) If you picked a piece at random would you be more likely to select, a lemon piece or a cherry piece?
8) What is the probability of selecting either a cherry piece OR a grape piece?
9) Your friend wants either a cherry piece or a grape piece. If you picked a piece out randomly, which one would you have the highest probability of selecting?
2) Faisal chooses a letter of the alphabet at random. Here are some possible outcomes.
X: the letter is in the word ADD
Y: the letter is in the word SUBTRACT
Z: the letter is in the word MULTIPLY
Say whether the outcomes in each pair are mutually exclusive
a) X and Y
b) X and Z
c) Y and Z
3) There are 12 black pens, 15 blue pens and 8 red pens in a box. Razia take one pen at random. What is the probability that it is a
a) Black b) blue c) not red
4) Ahmed uses a computer to simulate throwing three dice. The programs throws the dice 1000 times and records the number of sixes thrown each time. Here are the results.
Number of sixes
|
0
|
1
|
2
|
3
|
Total
|
Frequency
|
570
|
350
|
70
|
10
|
1000
|
From Ahmed’s results, find the experimental probability that when you throw three dice you will get:
a) No sixes b) 3 sixes c) 2 or 3 sixes d) at least one six
5)
1) How many shapes are there total in the
array?
2) If you were to select 1 shape at random
from the array, what is the probability it will
be a circle?
3) If you were to select 1 shape at random
from the array, what shape do you have the
greatest probability of selecting?
4) Which shape has a 35% chance (7 out of
20) of being selected
6) Match each statement with its probability.
A. You will be struck by lightning tomorrow. impossible
B. You will be younger tomorrow than you
are today. unlikely
C. If you roll an ordinary dice you will get a
number smaller than 7. even
D. You will watch television sometime this
week. E. If you flip a coin you will get
heads. certain
E If you flip a coin you will get head likely
7) If a dice is thrown ten times out of which thrice it gives an even number, then what will be the experimental probability of getting an even number with a dice? Compare it with theoretical probability.
8) There are 10 marbles in a bag. 5 marbles are blue, 3 marbles are green and 2 marbles are red.
Azan takes a marble at random from the bag.
a) on a probability scale mark with letter B , the probability that Azan will take a blue marble.
b) on a probability scale mark with letter G , the probability that Azan will take a green marble.
5)
1) How many shapes are there total in the
array?
2) If you were to select 1 shape at random
from the array, what is the probability it will
be a circle?
3) If you were to select 1 shape at random
from the array, what shape do you have the
greatest probability of selecting?
4) Which shape has a 35% chance (7 out of
20) of being selected
6) Match each statement with its probability.
A. You will be struck by lightning tomorrow. impossible
B. You will be younger tomorrow than you
are today. unlikely
C. If you roll an ordinary dice you will get a
number smaller than 7. even
D. You will watch television sometime this
week. E. If you flip a coin you will get
heads. certain
E If you flip a coin you will get head likely
7) If a dice is thrown ten times out of which thrice it gives an even number, then what will be the experimental probability of getting an even number with a dice? Compare it with theoretical probability.
8) There are 10 marbles in a bag. 5 marbles are blue, 3 marbles are green and 2 marbles are red.
Azan takes a marble at random from the bag.
a) on a probability scale mark with letter B , the probability that Azan will take a blue marble.
b) on a probability scale mark with letter G , the probability that Azan will take a green marble.
1) The screen of a laptop computer is 310 mm long and 226 mm wide. What is the area of the laptop screen?
2) Mia wants to buy a new rug for her hall. The rug must be 3 metres long by 70 cm wide. Work out the area of rug that she needs.
3) Work out the area and perimeter of this compound shape.
4) Workout the area of shaded region.
5) Mrs. Beecham is marking Rafi’s homework.
Question : A cuboid has a length of 1m , a
width of 10 cm and a height of 2 cm. What is the
volume of the cuboid?
width of 10 cm and a height of 2 cm. What is the
volume of the cuboid?
Solution : volume 1 × 10 × 2 = 20m3.
Rafi has got the solution wrong.
Explain the mistake that Rafi has made.
Work out the correct answer for him.
6) Find the volume.
7) How many square centimeters’ of cardboard does Ahmed need to make a cuboid with length of 6cm ,width of 5 cm and height of 4 cm?
8) How much gift wrap is needed to cover a gift box in the shape of a cuboid with length 10 cm ,width 5 cm and height 4 cm?
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