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HD ... Probability
Contributed by: Jacob
(Original author: O'Kane)
What is the probability
of picking a yellow disc?
b.  Simplify your answer
a.
What is the probability
of picking a yellow disc?
What is the probability
of picking a yellow
or a blue disc?
The probability that you get a head when tossing a coin
The probability that  you get chosen when all the names
of your class are put in a hat and one is drawn out
The probability that you get a number less
than 7 when rolling an ordinary dice
Match the correct to each statement
0
A
0.5
B
1
C
a. it is an A?
What is the probability that :
A letter is chosen at random from the word
MATHEMATICS
b.  it is an A or a T?
c.  it is a vowel
The probability that she picks a black marble is ½
The probability that she picks a white marble is ¼
a. How many black marbles does she have?
b. How many white marbles does she have?
Jane has 20 marbles.
Some are black, some are white and some are red
Ms. Gilmer flipped a fair coin 120 times. 
It landed tails up sixty-five times. Describe what would likely happen if Jonathan flipped the coin another 120 times.  
There would be no change. 
The experimental probability would exactly 
match the theoretical probability
The experimental probabilty would get further from the theoretical probablity. 
The experimental probability would get 
closer to the theoretical probability. 
Michael spins a spinner 10 times
He gets the letter B six times.
a. How many times would he
    expect to get the letter B
    if he did 30 spins?
What is the experimental probability of getting blue?
Green
Results from choosing a disc 20 times
10
Yellow
3
Blue
7
John has a 3 sided spinner with 1,2 and 3 on it.
He also has a 4-sided spinner with 2,4,5 and 6 on it.
He spins both spinners and adds the score.
What is the probability of scoring 7?
+
2
4
5
6
1
3
4
6
7
2
4
8
6
7
7
3
8
5
9
The probability that player A will win the
tennis match is ⅛
What is the probability that player A will lose?
The probability that team A will win the
football match is 3/10.
The probability that team A will lose is 6/10
What is the probability that player A will draw?
the number 7 will appear more than the number 1.
the theoretical probability is always less than the
experimental probability
the more times the cube is rolled, the closer the
experimental probability gets to the theoretical
probability
the theoretical probability is always greater than
the experimental probability.
Which of the following statements is true?

When rolling a number cube...
Theoretical Probability
Mr. Whatley rolled a fair number cube 40 times.  The
number 2 came up 10 times.  Select the theoretical
and experimental probability of rolling
a 2 in simplest form.
10/40
1/4
1/6
1/8
Experimental Probability
1/6
1/5
1/20
1/4
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