At a particular high school, the average time to run a mile on the track team...
At a particular high school, the average time to run a mile on the track team is 6.7 minutes with a standard deviation of 1.02 minutes and follows a normal distribution.
What is the likelihood that a team of 25 students run a mile with an average under 6 minutes?
the final answer to this is .003
But i dont know why..
I get to -3.43 and dont know where to go from there...
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At a particular high school, the average time to run a mile on
the track team...
The average mile time for girls high school track is 5:17, with a standard deviation of...
The average mile time for girls high school track is 5:17, with a standard deviation of 6.9 seconds. Coach Dart believes that he has perfected his training methods to a degree that his female milers can consistently run faster than your average girl’s high school miler. The average mile time for the 8 girls on his team who run that distance is 5:12. Calculate the required statistic to determine if Coach Dart is correct, that his girls are significantly different...
For their physical education class, 160 students at Sweet Valley High School had to run a...
For their physical education class, 160 students at Sweet Valley High School had to run a mile, and their teacher kept track of the amount of time (in minutes) it took each student to complete this task. When the data was summarized for all 160 students, it was observed that Q1 = 18 minutes. From this, we know that ___________ students must have taken longer than 18 minutes to run the mile
The current Men’s high school track record for the mile is 3:53, set by Alan Webb...
The current Men’s high school track record for the mile is 3:53, set by Alan Webb back in 2006. The average mile time for a high school senior is 4:22 (262 seconds), with a standard deviation of 6.3 seconds. Paul, a high school senior, runs the mile in 4:19 (259 seconds). 1.) What is Paul’s percentile ranking among high school seniors? HINT: don’t forget that in this case less is better so you will need to reverse the scale! 2.)...
The following times were recorded by the quarter-mile and mile runners of a university track team...
The following times were recorded by the quarter-mile and mile runners of a university track team (times are in minutes). Quarter-Mile Times: 0.91 0.97 1.02 0.94 1.01 Mile Times: 4.52 4.36 4.59 4.71 4.49 After viewing this sample of running times, one of the coaches commented that the quarter milers turned in the more consistent times. Use the standard deviation and the coefficient of variation to summarize the variability in the data. Quarter milers Standard deviation (to 4 decimals) Coefficient...
A physical fitness association is including the mile run in its secondary-school fitness test. The time...
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 470 seconds and a standard deviation of 60 seconds. Find the probability that a randomly selected boy in secondary school will take longer than 332 seconds to run the mile.
The Bell Curve Chester High School started a new track team this fall. The coach r...
The Bell Curve Chester High School started a new track team this fall. The coach r tested the speeds of all the students in September. The graph at right shows the results. September Speeds The data shows a normal distribution, which is oftei called a bell curve. Data in a normal distribution is equally spread to the left and to the right of the data's measure ot center. It is not skewed, or shifted away from the mean. In a...
A physical fitness association is including the mile run in its secondary-school fitness test. The time...
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 450 seconds and a standard deviation of 50 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 335 seconds. 12) ______ A) .4893 B) .0107 C) .9893 D) .5107
A physical fitness association is including the mile run in its secondary-school fitness test. The time...
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 40 seconds. Find the probability that a randomly selected boy in secondary school will take longer than 368 seconds to run the mile. 0 O 0 o 0.4893 0.9893 0.5107 0.0107
The average math SAT score 519 with a standard deviation of 119. A particular high school...
The average math SAT score 519 with a standard deviation of 119. A particular high school claims that its students have unusually high math SAT scores. A random sample of 55 students from this school was selected, and the mean math SAT score was 566. Is the high school justified in its claim? Explain.
A physical fitness association is including the mile run in its secondary-school fitness test. The time...
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 40 seconds. The fitness association wants to recognize the fastest 10% of boys with certificate of recognition. What time would the boys need to beat in order to earn a certificate of recognition from the fitness association?
The Bell Curve Chester High School started a new track team this fall. The coach r tested the speeds of all the students in September. The graph at right shows the results. September Speeds The data shows a normal distribution, which is oftei called a bell curve. Data in a normal distribution is equally spread to the left and to the right of the data's measure ot center. It is not skewed, or shifted away from the mean. In a...
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 40 seconds. Find the probability that a randomly selected boy in secondary school will take longer than 368 seconds to run the mile. 0 O 0 o 0.4893 0.9893 0.5107 0.0107
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