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Example 5.3 from Statistics, 5.2 The Uniform Distribution
b. Find the 90th percentile for an eight-week-old baby's smiling time.
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
b. Ninety percent of the smiling times fall below the 90th percentile, k, so P(x < k) = 0.90.
How did it go?