Question
1. Brianna buys a lottery ticket. The ticket has several ways to win. The table below shows the different ways to win, the probability of
1. Brianna buys a lottery ticket. The ticket has several ways to win. The table below shows the different ways to win, the probability of winning each way, and how much money each win results in. Every time Brianna buys a ticket, she can win money each way.
Ways to Win | Probability | Winings |
---|---|---|
Way 1 | 35% | $1 |
Way 2 | 40% | $5 |
Way 3 | 20% | $10 |
Way 4 | 5% | $25 |
Given the probabilities and payout values in this table, what is the expected value of Brianna's ticket?
a. $5.60
b. $1.50
c. $2.50
d. $4.60
2. The odds of rolling a 1 on a standard die are 1:5. What is the probability of getting a 1 upon rolling a die?
a. 5/1
b. 1/6
c 1/5
d. 1/4
3. f the probability of it sleeting today is13/15, then what is the complement or the probability of it NOT sleeting today?
a. 15/13
b. 1/2
c. 2/15
d. 1/15
4. Which of these are overlapping events?
a. Drawing an Ace and drawing an 8 from a standard deck of cards
b. Drawing a face card and drawing a 3 from a standard deck of cards
c. Drawing a Jack and diamond from a standard deck of cards
d. Drawing a black card and drawing a diamond from a standard deck of cards
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