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SFR Lesson Notes The Winston Churchill School Probability: Expected Outcomes Handling Data

05 Probability Expected Outcomes 020112

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SFR Lesson Notes Handling Data The Winston Churchill School

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Page 1: 05 Probability Expected Outcomes 020112

SFR Lesson NotesThe Winston Churchill School

Probability: ExpectedOutcomes

Handling Data

Page 2: 05 Probability Expected Outcomes 020112

PROBABILITY GRADE B­C.notebook

1

January 04, 2012

Jan 18­15:57

Mathematical word for a shape

Name this shape

An 8 sided shape

How a ship measures direction

A special name for an angle between 0o and 90o

What's this called?

Special maths paper covered in dots

There are 3 ____ of water in a bucket

Area is the space _____ a shape

Another word for subtract (that's not minus)

The vertical axis on a graph

P

R

O

B

A

B

I

L

I

T

Y

Jan 26­20:27

Probability

Jan 26­20:28 Jan 26­20:39

Using probability to predict outcomes : Grade C

Imagine ‐ Pick 6 times

How many:Red?Blue?Yellow?

Imagine ‐ Pick 12 times

How many:Red?Blue?Yellow?

Imagine ‐ Pick 30 times

Imagine ‐ Pick 9 times

Jan 26­20:39

Using probability to predict outcomes : Grade C

Jan 4­09:29

Page 3: 05 Probability Expected Outcomes 020112

PROBABILITY GRADE B­C.notebook

2

January 04, 2012

Jan 26­20:45 Jan 26­20:46

Jan 26­20:39

Addition Rule for Events : Grade C

O RP (red or yellow)

P (yellow or blue)

P (red or blue)

Jan 26­21:01

1

2

3

Jan 4­09:41 Jan 26­21:19

Combining probabilities ‐ using tree diagrams: Grade B

The probability that it rains on any day is 1/5, draw a tree diagram to show the probabilities for two days.

Page 4: 05 Probability Expected Outcomes 020112

PROBABILITY GRADE B­C.notebook

3

January 04, 2012

Jan 26­21:19

Combining probabilities ‐ using tree diagrams: Grade B

The probability that Jenny is late for school is 0.3. Find the probability that on two consecutive days, she is

never late

Jan 28­08:04

1

Jan 28­08:04

2

3

Jan 26­21:05

AN

D

Combined INDEPENDENT Events: Grade B

P (red) and P(yellow)

P (yellow) and P(blue)

P (red) and P(blue)

x 2

Jan 26­21:12

P (hitting) = 1/4 Jim has two shots

a) He hits the target both timesb) He hits the target oncec) He hits the target at least once