Candy_Questions_03_Post

# Candy_Questions_03_Post - times Tom Cruise averaged a...

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9. In Tuesday’s practice, Eli Manning makes several dozen passes to a mark 35 yards downfield. The sample mean of his passes is 34.92 yards, and the sample standard deviation is 0.60 yards. How would we write these results in standard engineering format? 10. Before they were confiscated in the first game of the season, spy cameras taped Tom Brady making dozens of passes. The average length of the pass was 35.92 yards, with a standard deviation of 0.60 yards. Assuming errors are purely random, what percentage of Tom’s throws were less than 35.92 yards?

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11. Britney Spears hits a car with an umbrella, applying an average force of 35.92 lbs, with a standard deviation of 0.60. Assuming “errors” are purely random, what percent of the time is Britney hitting the car with more than 37.12 lbs of force? 12. While jumping on Oprah’s couch 200
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Unformatted text preview: times, Tom Cruise averaged a height of 35.92 cm/jump, with a standard deviation of 0.60 cm. Find the number of Tom’s jumps that were greater than 34.96 cm in height. • 13. Eric Cartman has ridden a bull thousands times. During a random sample of 20 rides, Eric stays on the bull for an average of 8.240 seconds, with a sample standard deviation of 0.314 seconds. Estimate the confidence interval of the population mean to a standard 95% confidence level. • 14. Sierra Nevada brews thousands of bottles of beer, and you are in charge of quality control. You select 20 bottles at random and find the mean percentage of alcohol for that “sample.” You repeat this process 25 times. The average of all the means is 8.235%, and the standard deviation of all the means is 0.282%. Estimate the population standard deviation. (Hint, use CLT)...
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