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The speeds of a random sample of 100 cars are recorded as they pass a highway checkpoint. The results are summarized in the frequency distribution below. Approximate the sample mean. Speed (mph) Cars 30-39 4 40 - 49 18 50 - 59 50 60-69 16 70-79 12 OA. 54.5 mph OB. 61.5 mph O C. 58.7 mph O D. 55.9 mph

The speeds of a random sample of 100 cars are recorded as they pass a highway checkpoint. The results are summarized in the frequency distribution below. Approximate the sample mean. Speed (mph) Cars 30-39 4 40 - 49 18 50 - 59 50 60-69 16 70-79 12 OA. 54.5 mph OB. 61.5 mph O C. 58.7 mph O D. 55.9 mph

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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The speeds of a random sample of 100 cars are recorded as they pass a highway checkpoint. The results are summarized in the frequency distribution below. Approximate the sample mean. Speed (mph) Cars 30-39 4 40 - 49 18 50-59 50 60 - 69 16 70-79 12 OA. 54.5 mph OB. 61.5 mph OC. 58.7 mph O D. 55.9 mph
Transcribed Image Text:The speeds of a random sample of 100 cars are recorded as they pass a highway checkpoint. The results are summarized in the frequency distribution below. Approximate the sample mean. Speed (mph) Cars 30-39 4 40 - 49 18 50-59 50 60 - 69 16 70-79 12 OA. 54.5 mph OB. 61.5 mph OC. 58.7 mph O D. 55.9 mph
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