Mathematics, 26.09.2021 20:10 akatian55721
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 460 seconds and a standard deviation of 50 seconds. Between what times do we expect most (approximately 95%) of the boys to run the mile?
A. between 0 and 542.28 sec
B. between 365 and 555 sec
C. between 377.75 and 542.28 sec
D. between 362 and 558 sec
Answers: 2
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A physical fitness association is including the mile run in its secondary-school fitness test. The t...
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