Time: 20 minutes. This quiz is open book, open notes.
1. Plot the PDF of an N(-10, 10) distribution. Clearly label the X and Y axes, showing values and units of measurement. Include at least two standard deviations (on both sides of the mean) on the X axis.
2. A distribution is an equal mixture of a Binomial(1, 0.8) distribution and a uniform distribution supported on [-1, 1]. Plot its CDF.
3. A scientist assumes the weight of an adult male is Normally distributed with mean 70 Kg and standard deviation 10 Kg. What percentage of the adult male population weighs more than 55 Kg?
4. Compute ln(1.000001) to sixteen decimal places (there are five zeros in that number). Show your work.
Scoring: The passing score is 95.
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This page was created 18 February 2001 and modified 25 February 2001 to clarify question 1.