03/10/2016
3.1 What are Your Chances
K: If the denominators are the same, then the higher the numerator the greater the probability
U: If the Numerators are the same, then the lower the denominator the higher the probability
starter: on a die (using words)
Probability of rolling a 7
P( 0 ) =
P (even number)
P (odd number)
P ( 1)
Q 2 together.
Probability using fractions:
Probability of rolling a 2
P(rolling a number > 4)
P (number<6)
P (<7)
bag A has 10 sweets. 9 of them are red
bag B has 10 sweets. 8 of them are red. which bag are you most likely to choose red from?
When the denominators are the same. The higher numerator has a greater probability.
Q 4. If the probability of Tom scoring is 5/ 9
Fabio scores 5/ 8
If they both take one shot who has the greater probability of scoring?
when the numerators are the same, if the denominator is smaller the probability is greater
Q 4. instructions
round 1 P ( 0 - 0)
round 2 P (0 - 0 )
for 6. and 7.
Bag A contains 17 balls. 14 of them are red
Bag B contains 50 balls. 43 of them are red.
Which bag are you most likely to pick red from? Use decimal conversion from the calculator..
now complete Q 2 exercise 3.2