Probability and data test

1. What is the probability of choosing a red marble? 6 blue marbles 4 red marbles 2 green marbles 2. What is the probability of choosing a green or blue marble? 6 blue marbles 4 red marbles 2 green marbles 3. What is the probability of NOT choosing a blue marble? 6 blue marbles 4 red marbles 2 green marbles 4. You toss two dimes 20 times and record the results. Use the table to find the experiemental probability of tossing two tails.head head 5 head and tail 11 tail and tail 4 outcome frequency 5. You toss two dimes 20 times and record the results. Use the table to find the experiemental probability of tossing one head and one tail.head head 5 head and tail 11 tail and tail 4 outcome frequency 6. You toss two dimes 20 times and record the results. Use the table to find the experiemental probability of .NOT tossing two headshead head 5 head and tail 11 tail and tail 4 outcome frequency 7. You toss two dimes 20 times and record the results. Use the table to find the experiemental probability of tossing all heads or all tails.head head 5 head and tail 11 tail and tail 4 outcome frequency 8a. A factory produces 90 pairs of jeans. An inspector checks 9 and finds 1 defective. What is the experimental probability that a pair ofjeans will be defective? 8b. A factory produces 90 pairs of jeans. An inspector checks 9 and finds 1 defective. How many of the 90 pairs of jeans would youpredict to be defective? 9. How many outcomes are possible from 3 different styles and 4 different sizes of shirt? 10. How many different outcomes are possible from 3 locations and 6 activites of sports? 11. You roll a number cube twice. What is the probability of rolling a 6 then an odd number? 12. You roll a number cube twice. What is the probability of rolling a 2 then a 2? 13. You roll a number cube twice. What is the probability of rolling a number greater than 6 then a number less than2? 14. The cooler contains 12 grape juice bottles and 18 cranberry juice bottles. You randomly choose two bottles. What is the probability that both are cranberry juice? 15. You flip a coin and you roll a number cube. What is the probability that you flip tails and roll a number less than 4? 16. Which sample is better for making a prediction? Sample A: A random sample of 10 customers leaving a store Sample B: A random sample of 100 customers leaving a store sample a sample b 17. You want to know the number of students in your school that have a January birthday. You survey the students in your math class. Five students have a January birthday, and 30 do not. So, you conclude that about 10.6% of the students in your school have a January birthday. Determine whether the conclusion is valid. valid invalid 17b. You want to know the number of students in your school that have a January birthday. You survey the students in your math class. Five students have a January birthday, and 30 do not. So, you conclude that about 10.6% of the students in your school have a January birthday. Valid or invalid. NOW EXPLAIN YOUR CHOICE FROM PREVIOUS ANSWER 18a. Which garden has the greater ?mediangarden A garden B they are equal 18b. Which garden has the greater ?rangegarden A garden B they are equal 19a. The double box-and-whisker plot shows the numbers of correct answers on a test for each student in Room 212 and Room 214.Which room has the greater test score?medianroom 212 room 214 they are equal 19b. Which room has the greater interquartile rangeof test scores? room 212 room 214 they are equal 19c. Which room has the greater of test scores?rangeroom 212 room 214 they are equal 19d. Which room has test scores?more predictableroom 212 room 214 they are equal |

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