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6. (a) What is the probability that maximum speed is at most 49 km/h? (Round your answer to four decimal places.) (b) What is the probability that maximum speed is at least 48 km/h? (Round your answer to four decimal places.) (c) What is the probability that maximum speed differs from the mean value by at most 2.5 standard deviations? (Round your answer to four decimal places.) You may need to use the appropriate table in the Appendix of Tables to answer this question. DETAILS DEVORESTAT9 3.2.012. 4 ASK

6. (a) What is the probability that maximum speed is at most 49 km/h? (Round your answer to four decimal places.) (b) What is the probability that maximum speed is at least 48 km/h? (Round your answer to four decimal places.) (c) What is the probability that maximum speed differs from the mean value by at most 2.5 standard deviations? (Round your answer to four decimal places.) You may need to use the appropriate table in the Appendix of Tables to answer this question. DETAILS DEVORESTAT9 3.2.012. 4 ASK

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Assign XC 5. True False 6. DETAILS DEVORESTAT9 4.3.033.S. Viewing Saved Work Revert to Last Response Mopeds (small motorcycles with an engine capacity below 50 cm³) are very popular in Europe because of their mobility, ease of operation, and low cost. Suppose the maximum speed of a moped is normally distributed with mean value 46.7 km/h and standard deviation 1.75 km/h. Consider randomly selecting a single such moped. USE SALT (a) What is the probability that maximum speed is at most 49 km/h? (Round your answer to four decimal places.) (b) What is the probability that maximum speed is at least 48 km/h? (Round your answer to four decimal places.) (c) What is the probability that maximum speed differs from the mean value by at most 2.5 standard deviations? (Round your answer to four decimal places.) DETAILS You may need to use the appropriate table in the Appendix of Tables to answer this question. time left... 1:04:56 DEVORESTAT9 3.2.012. ASK YOUR TEACHER ASK YOUR TEACHER
Transcribed Image Text:Assign XC 5. True False 6. DETAILS DEVORESTAT9 4.3.033.S. Viewing Saved Work Revert to Last Response Mopeds (small motorcycles with an engine capacity below 50 cm³) are very popular in Europe because of their mobility, ease of operation, and low cost. Suppose the maximum speed of a moped is normally distributed with mean value 46.7 km/h and standard deviation 1.75 km/h. Consider randomly selecting a single such moped. USE SALT (a) What is the probability that maximum speed is at most 49 km/h? (Round your answer to four decimal places.) (b) What is the probability that maximum speed is at least 48 km/h? (Round your answer to four decimal places.) (c) What is the probability that maximum speed differs from the mean value by at most 2.5 standard deviations? (Round your answer to four decimal places.) DETAILS You may need to use the appropriate table in the Appendix of Tables to answer this question. time left... 1:04:56 DEVORESTAT9 3.2.012. ASK YOUR TEACHER ASK YOUR TEACHER
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