Fundamental principle of probability theory

Rarely Tested

$$P\left(x_1\right)+P\left(x_2\right)+\dots+P\left(x_n\right)=1$$

Question 1

If two dice are rolled, what is the probability that at least one of them is going to be even?

Question 2

A marksman has an accuracy of 0.6, that is he can hit the target 6 out of 10 times. If he shoots at the target four times, what is the probability that he has hit the target at least once?

Question 3

If an unbiased coin is tossed 5 times, what is the probability of getting heads at least 3 times?

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Name	Date Taken	Score
Formula Test 1	NA	NA
Formula Test 2	NA	NA
Formula Test 3	NA	NA
Formula Test 4	NA	NA
Formula Test 5	NA	NA
Formula Test 6	NA	NA
Formula Test 7	NA	NA

Formula Test 1

Not attempted

Formula Test 2

Not attempted

Formula Test 3

Not attempted

Formula Test 4

Not attempted

Formula Test 5

Not attempted

Formula Test 6

Not attempted

Formula Test 7

Not attempted

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Other Probability, Combinatorics Formulas

Arrangement, permutation and combination formulas

Basic Probability

Expected value

Binomial Theorem

Fundamental principle of probability theory

Formula Test 1

Formula Test 2

Formula Test 3

Formula Test 4

Formula Test 5

Formula Test 6

Formula Test 7

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