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A study of 12,000 able-bodied male students at the University of Illinois found that their times...

A study of 12,000 able-bodied male students at the University of Illinois found that their times for the mile run were approximately Normal with mean 7.11 minutes and standard deviation 0.74 minute. Choose a student at random from this group and call his time for the mile Y.

(a) Write the event "the student could run a mile in more than 7.94 minutes" in terms of the value of the random variable Y. Use the symbols "<" or ">" as appropriate to indicate the bounds on Y.

(b) What is the probability of the event from part (a)?

Math   Statistics-And-Probability   
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