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What is the probability of finishing

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Reference no: EM132386802

Given that the average finishing time at the 2017 Australian inline marathon was approximately 2 hours and 24 minutes. The standard deviation was approximately 32.5 minutes. Assume the finishing times are normally distributed.

1) If a skater wants to finish in the top 10% of the fastest times, what time does the skater need? Fastest 10% are those with LOW times.

2) What is the probability of finishing in less than 1 hour and 50 minutes?

3) What is the probability of finishing in exactly 144 minutes?

4) What is the probability of finishing in more than 2 hours and 15 minutes?

Reference no: EM132386802

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