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The time it takes to assemble run a track course is normally distributed with a mean...

The time it takes to assemble run a track course is normally distributed with a mean of 5.1 minutes and a standard deviation of 0.7 minutes. Find the probability that a randomly selected runner will take between 5.3 and5.6 minutes?

Math   Statistics-And-Probability   
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Answer #1

X : The time it takes to assemble run a track course

X ~ N ( 5.1 , 0.7)

the probability that a randomly selected runner will take between 5.3 and 5.6 minutes is:-

[ in any blank cell of excel type =NORMSDIST(0.7143)]

[ in any blank cell of excel type =NORMSDIST(0.2857) ]

*** if you have any doubt regarding the problem please write it in the comment box.if you are satisfied please give me a LIKE if possible...

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