Mathematics, 09.12.2021 19:40 Wolfie215
A sprint duathlon consists of a 10km run and a 20km bike ride.
The mean finish time of all participants in a recent duathlon was 1.67 hours with a
standard deviation of 0.25 hours.
Suppose ONE random sample of 30 participants yielded a mean finishing time of 1.59
hours with a standard deviation of 0.30 hours.
Amongst ANY 30 randomly sampled participants, what is the probability that the sample
mean finishing time exceeded 2 hours?
O very close to O
O .09510
0.90490
O can't say
Answers: 3
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A sprint duathlon consists of a 10km run and a 20km bike ride.
The mean finish time of all partici...
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