Probability Flashcards
1
Q
What is a Random Process?
A
produces results that are impossible to predict with certainty
2
Q
What would you write for Stats tests?
A
If results are significant at the P = 0.05 confidence interval, there is less than 5% probability that the results occurred due to chance.
3
Q
Example for multiplying probabilities
P = Rolling a 4?
A
P = 1/6
4
Q
Example for multiplying probabilities
3 followed by an even number
A
1/6 x 3/6 = 3/36
5
Q
Example for multiplying probabilities
2 Reds and 1 Blue
A
2/9 x 1/8 x 3/7 = 6/504 = 0.012 (3.d.p)
6
Q
How do you work out percentages for inheritance questions that are complex?
A
No. of possibilities that meet the condition / No. of equally likely possibilities
