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- 1. Multiple ChoiceThe following data represents the high temperatures for the next several days in Buffalo, NY: {17, 26, 3, 13, 29, 34, 32, 30, 41}. Find the mean absolute deviation. Round your answer to the nearest hundredth of a degree.25.259.33910.33
- 2. Multiple ChoiceWhich of the following values represent the standard deviation and variance for the data?Standard Deviation= 9.33; Variance= 3.05Standard Deviation= 9.33; Variance= 87.05Standard Deviation= 11.16; Variance= 124.55Standard Deviation= 11.16; Variance= 3.34
- 3. Multiple ChoiceThe wind speeds throughout the month of April were normally distributed with a mean of 17 mph and a standard deviation of 4 mph. What percent of the days had wind speeds between 5 and 13 mph?68.2 %15.8 %2.3%15.9 %
- 4. Multiple ChoiceThe wind speeds throughout the month of April were normally distributed with a mean of 17 mph and a standard deviation of 4 mph. What percent of the days had wind speeds of at least 9 mph?97.7 %100 %68.2%2.3%
- 5. Multiple ChoiceThe wind speeds throughout the month of April were normally distributed with a mean of 17 mph and a standard deviation of 4 mph. What is the probability that a day had a wind speed of no more than 21 mph?50 %15.9 %97.7 %84.1%
- 6. Multiple ChoiceThe wind speeds throughout the month of April were normally distributed with a mean of 17 mph and a standard deviation of 4 mph. Approximately how many days had wind speeds between 17 and 25 mph?17 Days14 Days15 Days10 Days
- 7. Multiple ChoiceThe odss of winning a game at the carnival are 3 in 7. If Liza plays the game nine times, what is the probability that she wins exactly two times?13.15%3.12 %10.84 %8.23 %
- 8. Multiple ChoiceWhen Sophia's mom picks her up from school, she is late one third of the time. For the next 15 days, what is the probability that she will be late at most three days?79.08 %79.31 %20.69 %20.92 %
- 9. Multiple ChoiceWhen Tom plays darts, he hits the target 65% of the time. Find the probability that he hits the target at least four out of the next six attempts.57.17 %64.71 %42.83 %35.29 %
- 10. Multiple Choice
What is the fourth term in the binomial expansion of (2x-y)7280x3y4560x4y3-280x3y4-560x4y3 - 11. Multiple ChoiceThe mean price of a computer sold at a particular store is $949 with a standard deviation of $75. The z-score of a certain computer is -0.8. what is the price of the computer?$925$900$889$877
- 12. Multiple ChoiceThe time it takes to complete a test is normally distributed with a mean of 45 minutes and a standard deviation of 12 minutes. If Nick took an hour and 8 minutes to complete the test, find his z-score to the nearest hundredth of a second.1.921.931.9119.2
- 13. Multiple ChoiceThe scores on an Algebra 2 midterm were normally distributed with a mean of 82. If Kendall scored 67 with a z-score of -2.5, what is the standard deviation?4567
- 14. Multiple ChoiceThe Iowa Hawkeyes will be the Nebraska Cornhuskers next year in football.TrueFalse
- 15. Multiple ChoiceThe Dallas Cowboys will win Super Bowl 51 behind Ezekiel Elliot.TrueFalse
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