Definitions Flashcards

1
Q

What are mutually exclusive events?

A

They cannot happen at the same time, probability of outcomes sum to 1

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2
Q

What are complementary events?

A

Mutually exclusive events that are the exact negation of each other

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3
Q

What does ‘dependent’ mean?

A

The occurrence of one event affects the chances of of occurrence of the other

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4
Q

Can independent events occur at the same time?

A

Yes

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5
Q

Can mutually exclusive events occur at the same time?

A

No

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6
Q

What is the random variable?

A

The result of a chance situation

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7
Q

What is a discrete random variable?

A
  • Finite values within a range

- Sample space is defined over a finite number of outcomes

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8
Q

What is a continuous random variable?

A
  • Any value within a range
  • Number of values is virtually infinite
  • Sample space has virtually infinite number of outcomes
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9
Q

What does the binomial distribution represent?

A

Random experiment with two mutually exclusive outcomes, success and failure

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