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Study these flashcards

- Great-britain-uk
- South Wilts Grammar School
- Maths
- Mr Everit
- Probability

Chhiring S.

• 11

cards
Definition of mutually exclusive and example

When there is only 2 options. e.g. Heads or Tails

Give an example of a mutually exclusive outcome

flipping a coin

P(head) = 1/2 or 0.5 or 50%

P(tail) = 1/2 or 0.5 or 50%

Definition of exhausted outcomes and example

When you have a list of possible outcomes. e.g. Heads or tails

1. P(head) + P(tail) = 1

2. P(head) = 1 - P(tail)

3. P(tail) = 1 - P(head)

Those were all a formula of an exhaustive event. Always adds up to a 1.

Example of a exhaustive event

P(A) - Probability of event A happening

P(A') - Probability of event A not happening

P(A') = 1 - P(A)

1.In a pack of maths cards are there any jokers?

2.How many cards are there?

3.Name the 4 suits.

4. How many cards are there in each suit?

5.What number is a ace equal to?

6.What cards are called face cards?

1.No.

2.52 cards.

3.Diamonds, hearts, clubs, spades.

4.13

5.1.

6.Jack, queen, king

cards.

Using math cards give an example of a mutually exclusive outcome.

P(H and C) (arrow) m.e (Mutually exclusive)

when do you need to use a sample space diagram?

What is another name for sample space diagram?

What is the probability that a sweet is cherry flavour?

Lime-o.2

Orange-0.15

Melon-0.3

Cherry-???

What is the probability that a sweet is lime or melon flavour?

Lime-o.2

Orange-0.15

Melon-0.3

Cherry-0.35

If I picked out and replaced a ball 50 tome, what is the expected probability that I would pick out a green ball?

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