Probability that some of the four have still not arrived

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Reference no: EM131811398

Question: Four people agree to meet at a café at noon. Suppose each person arrives at a time normally distributed with mean 12 moon and SD 5 minutes, independently of all the others.

a) What is the chance that the first person to arrive at the café gets there before 11:50?

b) What is the chance that some of the fore have still not arrived at 12:15?

c) Approximately what is the chance that the second person to arrive gets there within ten seconds of noon?

Reference no: EM131811398

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