ALGEBRA 2: CHAPTER 11 TEST Review 1. How many ways can the numbers from 0 through 9 be used to create 4-‐ number passwords if there are no repeated numbers in a password? 2. How many ways can 20 cows be chosen from a herd of 30? 3. Evaluate. 3a. 5C3
3b. 10P7
3c.
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4. The table shows the results of pulling one marble from a bag of marbles, recording its color, and replacing it back in the bag. Marble Color Yellow Red Green Times Pulled 63 54 18 Find the probability of each event. 4a. Choosing a red marble. 4b. Choosing either a yellow OR g marble. 5. Find the probability that a point chosen at random inside the rectangle shown below will also fall inside the right triangle. Not drawn to scale. 20 30 30 90 6. Using a fair coin and a fair six-‐sided number cube, what is the probability of tossing a tail and rolling a multiple of 4?
1. ___________________________________ 2. ___________________________________ 3a. __________________________________ 3b. __________________________________ 3c. __________________________________ 4a. __________________________________ 4b. __________________________________ 5. ___________________________________ 6. ___________________________________
7. Each letter from the word PROBABILITY is written on its own card. Find the probability of drawing two vowels without replacement. 8. Two number cubes are rolled, one blue and one yellow. What is the probability of the blue cube showing greater than 3 and the product is 6? 9. Toni randomly draws a card from a deck of 52 cards. What is the probability she draws a red or face card? 10. Charles randomly draws a card from a deck of 52 cards. What is the probability he draws a 7 card or a black card? 11. Two number cubes are rolled at the same time. What is the probability that the two cubes show the same numbers? 12. Find the 5 numbers on a box-‐and whisker plot using the data set and then find the interquartile range {44, 18, 55, 42, 51, 36, 43, 44, 87}. 13. Find the mean, median and mode of {6, 12, 8, 8, 18, 4, 22, 6}. 14. A student keeps track of how many books he read a week for 2 months {0, 3, 5, 2, 2, 5}. What is the variance and standard deviation of the data set?
7. ___________________________________ 8. ___________________________________ 9. ___________________________________ 10. ___________________________________ 11. __________________________________ 12. 5 numbers ______________________________________ interquartile range _______________ 13. mean ___________________________ median _________________________ mode ___________________________ 14. variance______________________ stand dev________________________
