Mutually exclusive and Non-mutually exclusive events. Phew.

Here’s the work for this evening. Remember, you’re spending at least 30 minutes on this tonight: 07 – Probability Practice 2

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# Author: bgrasley

# MDM4U ME and NME 2018-03-19

# MDM4U Independent and Dependent Events 2018-03-07

# MDM4U Probability Practice #1 2018-03-05

# MDM4U Introduction to Probability 2018-02-28

# MDM4U Bunch o’ stuff 2018-02-22

# MDM4U Permutations Quiz, Combinations 2018-02-13

# MDM4U Permutations Practice 2018-02-08

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Mutually exclusive and Non-mutually exclusive events. Phew.

Here’s the work for this evening. Remember, you’re spending at least 30 minutes on this tonight: 07 – Probability Practice 2

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A compound event is comprised of a sequence of two or more single events. Those single events are *independent* if the probabilities of later events are not affected by whether earlier events occurred. If they are affected, the events are *dependent*.

For example, when flipping a coin then rolling a die, the probability of rolling a 5 or 6 does *not* depend on the outcome of the coin flip. These events are independent.

When drawing two cards in a row from a shuffled deck of cards, the probability of drawing a 5 as the second card depends on the outcome of the first card drawn. If the first card is a 5, there is a reduced probability of drawing a 5 as the second card. These events are dependent.

Here’s your homework. We kind of did question 1 already in class, so you can skip it if you like.

We have a mini-lesson about using combinatorics to calculate the probability of events when all outcomes are equally likely. We worked on these questions:

02 – Probability with Equally Likely Outcomes

And tomorrow you’ll work on Probability Practice #1:

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Hey everyone,

Here’s a bunch o’ stuff that we’ve been working on, including some solutions. There are quiz solutions on the bulletin board in the classroom as well.

09 – Combinatorics Review 1 – Solutions

10 – Combinatorics Review 2 – Solutions

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We had a quiz today: 07 – Permutations Quiz

We also started to learn about combinations. Here’s a video that might help if you were having trouble following or if you were away:

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Here you go!

05 – Permutations – Notation and Evaluation Practice

06 – Permutations and Other Counting Problems

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