Combinations If there were three drinks and three chocolate bars, list the combinations.

Slides:

Advertisements

Similar presentations

Probability 1: the idea of probability

Advertisements

Probability 2: constructing tree diagrams

PROBABILITY misconceptions (adapted from Louise Addison, 2007) ALL THE PROBABILITY STATEMENTS ARE FALSE.

Who Wants To Be A Millionaire?

Probability. …how likely something is… Probability is how likely something is to happen. You might also hear it called chance. Probability can be expressed.

3:2 powerpointmaths.com Quality resources for the mathematics classroom Reduce your workload and cut down planning Enjoy a new teaching experience Watch.

Probability Sample Space Diagrams.

Revision Sheet 1.

. Monday Dec 17 A coin is tossed 30 times. It lands 12 times on heads and 18 times on tails. What is the experimental probability of the coin landing on.

Probability By Laura Farrington 8GT. What is Probability? Probability is about the chance of something happening. When we talk about how probable something.

Probability Joan Ridgway.

DETERMINE IF AN EVENT IS INDEPENDENT OR DEPENDENT.

Probability.  Tree Diagram: A diagram with branches that is used to list all possible outcomes. Example: Meal choices: Burger, hot dog, Pizza Drinks:

Lucy has a box of 30 chocolates. 18 are milk chocolate and the rest are dark chocolate. She takes a chocolate at random from the box and eats it. She then.

Mr Barton’s Maths Notes

Year 10 Probability.

And Create 3 equivalent fractions for each. Mutually Exclusive Learning Objective: To be able to understand what Mutually Exclusive MEANS You must be.

Copyright©Ed2NetLearning.Inc 1 Theoretical Probability.

Bell Work Put your homework on your desk—we will discuss it at 8:30 Make sure you have the following markers: red, blue, green and black Make sure you.

Chapter 9 Review. 1. Give the probability of each outcome.

Probability Tree diagrams Example A bag contains 10 discs: 7 are black and 3 white. A disc is selected, and then replaced. A second disc is selected. Copy.

Probability of a single event Example A letter is selected at random from the word Mathematics. What is the probability that it is: a) a h b) a consonant.

Warm Up Find the theoretical probability of each outcome

Mutually exclusive outcomes Outcomes are mutually exclusive if they cannot happen at the same time. For example, when you toss a single coin either it.

Answer Question Larry tosses a fair coin 4 times. What is the probability that all 4 tosses land heads? Start.

Independent red blue First Choice Second Choice red blue red blue Tree diagrams can be used to help solve problems involving both dependent and.

Data Handling Multiple Choice (BCD Questions). A B C D Q1. An ordinary fair dice is thrown at the same time a a coin is tossed. The probability of obtaining.

Probability True or False?. I flick a coin 4 times. I get heads 3 times, and tails once. Therefore the probability of getting a heads is 75%.

Probability TRUE OR FALSE?.

Bell Work Put your homework on your desk—we will discuss it at 8:30 Make sure you have the following markers: red, blue, green and black Make sure you.

Probability Quiz. Question 1 If I throw a fair dice 30 times, how many FIVES would I expect to get?

Warm Up What is the theoretical probability of rolling a die and landing on a composite number?

Mathsercise-C Probability Trees Ready? Here we go!

Independent red blue First Choice Second Choice red blue red blue Tree diagrams can be used to help solve problems involving both dependent and independent.

Timed test.  You will see a series of 10 questions.  You have to write down the answer to the question.  Easy enough eh?  REMEMBER TO GIVE PROBABILITIES.

Intro. Exponents and Logarithms RadicalsTriangle TrigUnit CircleTrig GraphsProbability Board.

COMPOUND EVENTS Grade 7 – Chadwick International School.

DO NOW 4/27/2016 Find the theoretical probability of each outcome. 1. rolling a 6 on a number cube. 2. rolling an odd number on a number cube. 3. flipping.

Fractions/Percentages/Ratio

Compound Probability.

Statistics 2. Tree Diagrams

(Single and combined Events)

Stats and Probability 2. Tree Diagrams

3:4 1/7 2:2 £720 20% 45% 2:3 2/3 3:1.

Week 6 Understand and use probability

MUTUALLY EXCLUSIVE EVENTS

Whiteboardmaths.com © 2004 All rights reserved

Probability Today you will need to make sure you have

Round percents to the tenth.

Course Probability Students will learn to find the probability of an event by using the definition of probability.

KIDS Rules What are the KEY words? What is the INSTRUCTION?

Jeopardy Review Q Theoretical Probability

[4] the sum of the numbers you throw. It is your turn, you need to score exactly 4 to dice your score is the number you throw. If you throw two dice your.

Probability Trees L.O. All pupils can construct and use probability trees for unconditional information.

True False True False True False Starter – True or False

Combined Probabilities

Mr Barton’s Maths Notes

LESSON OBJECTIVES We are learning to: Accurately calculate conditional probability without tree diagrams. (Grades A/A*)

Stats and Probability 2. Tree Diagrams

Independent Probability (Tree Diagrams) red red blue red blue blue

Probability as Fractions

Independent Probability (Tree Diagrams) red red blue red blue blue

Probability Tree diagrams

no replacement – version 2

Probability of two events

getting a little more complicated

How many words can you find relating to probability?

Presentation transcript:

Combinations If there were three drinks and three chocolate bars, list the combinations

Create your own shopping question If you only buy one item in each shop, what are all the different combinations you could buy? Shop 1: Primark Shop 2: Top Shop Create your own shopping question

Lucy picks a counter at random from a bag. What is the probability of taking a blue counter? What is the probability of taking a purple counter? What is the probability of taking a blue or red counter?

On your MWB write the probability that.. In a class of 20 pupils, 11 have dark hair, 7 have fair hair and 2 have red hair. A pupil is chosen at random to collect the homework. What is the probability that they Have fair hair Have red or dark hair If two are picked what is the probability that they both have dark hair

Bright 0.03 Cloudy 0.17 Dull 0.10 Fog Rain 0.37 Showers Sunny x Total The probabilities of different types of weather in Aberdeen in September are shown in the table: Bright 0.03 Cloudy 0.17 Dull 0.10 Fog Rain 0.37 Showers Sunny x Total 1.00 Find x. What is the probability of either Rain or Showers?

What is the probability of getting two tails in two tosses of a coin?

H T

What is the probability of getting three tails in three tosses of a coin?

What is the probability of scoring three 4’s on these three spinners?

x Note: I wouldn’t bother simplifying my fractions here, as it makes the adding up easier when they have the same denominator! + Check: Our probabilities add up to 1, so it’s looking good! Question: What is the probability she gets two beads of the same colour?... Well, the end of which braches give us that? Now we can simplify

Draw the tree for; I throw 2 dice What is the probability of me getting a 6, or not a 6 On the first throw The second throw

A bag contains 8 balls. 5 are black and 3 are white. A ball is taken out of the bag at random and not replaced. Another ball is taken out of the bag at random. What is the probability that both of the balls are the same colour?