Mathematics, 30.10.2020 16:20 bossybaby12
The time it takes a student to walk from the dorm to the chemistry lab follows roughly a Normal distribution with a mean of 20 minutes and a standard deviation of 3 minutes.
a. How long does it take the slowest 10% of the students to walk from the dorms to the chemistry lab?
b. What proportion of students is faster than 15 minutes when walking from the dorm to the chemistry lab?
Answers: 2
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