Probability Practice

What is the symbol for "given that" in probability?

" | "

P(A) + P(~A) is equal to: 1, 12, or 99.9?

1

One way to solve the probability of getting the answers right on a T/F 5 question test?

1 divided by 2 to the power of 5

What is the probability of rearranging the letters "ASE" and spelling "SEA"?

1 divided by 3P3

How many ways can you choose 5 toys from 20?

5C20

In a probability problem, you should ALWAYS simply fractions. True or False.

False. Leave as simplified fractions.

Is flipping a coin a dependent or independent event?

Independent event.

Is a male 0.18 equaled to a male 0.0018 independent?

No, not independent.

When do you simply fractions in probability?

Only when comparing two different probabilities to see which is more likely.

Express "the probability of rolling a 2 or 4" symbolically.

P(2 or 4)

Express a true positive symbolically.

P(T | D)

Express the following using "and" or "or". A female with trait X or a male.

P(f and X or m)

Write symbolically. 17% of a group of females do not have the disease and are not infected.

P(~D | ~D)

How do you express "P(red cards) in words?

The probability of selecting red cards.

What does a false positive mean?

The probability of someone tested positive but is not infected.

The word "choose" is referring to?

Combination

What type of probability is this problem: P(A2 | A1)?

Conditional Probability.

Fill in the blank. The probability of "E" equals the number of ways to ________ divided by the number of ways _________ .

Succeed/Possible.

What does the numerator of 16C3 divided by 16P3 mean?

The number of ways to succeed.

What are the ways Bayes Therom can be expressed as?

Tree, table, or formula.