Page 381: 3 and 11, 5 and 13, 7, 15
- I grouped "3 and 11" because 11 just asks you to find the standard deviation for the probability distribution--use your graphing calculator to do so!
- (Same for 5 and 13)
- In questions 3 and 5 you will have to do some work to find the probabilities to create the probability distribution--these will be more difficult than 7 and 15
- This is like Tuesday's homework or today's classwork examples--you have to do some work to calculate probabilities, they are not directly given!
- In question 7 you are given the probabilities you need; you have to read the context and create a probability distribution showing the outcomes and probabilities
- In question 15 you are given the probability distribution--this is the easiest case scenario--and need to find expected value and standard deviation
- For all questions SHOW ALL WORK FOR EXPECTED VALUE!
- Use your graphing calculator to find the standard deviation and to check your answer for expected value!
- For calculator help read the yellow box on the bottom of page 372
If you're feeling ambitious, here's tomorrow night's homework (more expected value stuff):
Page 382: 17, 19, 21
**Number 3 is based on a deck of cards--if you're not sure, here's the composition of a deck...**
Deck of Cards:
- 52 total cards
- 26 red cards
- 13 hearts
- 13 diamonds
- 26 black cards
- 13 clubs
- 13 spades
- There are 4 of each numbered card, one per suit
- So there are 4 of each card 2-10
- 4 Jacks
- 4 Queens
- 4 Kings
- 4 Aces
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