Sample_Final_2

# Sample_Final_2 - Student ID Number _ PRINT YOUR NAME _...

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7 Consider the given discrete probability distribution: x 2 4 6 8 p ( x ) 0.14 ? 0.25 0.04 Find the probability that x equals 4. A 1.72 B 0.43 C 0.57 D 2.28 8 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. Between what times do we expect approximately 95% of the boys to run the mile?
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## Sample_Final_2 - Student ID Number _ PRINT YOUR NAME _...

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