I have to start the work today but remind me to do these:
- Update Homework 2 Question 9's answer
Consider a normal distribution. If we were to sample 100 draws from a uniform distribution (which has mean 0.5, and variance 1/12) and take their mean, X^bar. What is the approximate probability of getting as large as 0.51 or larger expressed to 3 decimal places?
answer: 0.365
R code: pnorm(0.51, mean = 0.5, sd = sqrt(1/(12*100)), lower.tail = FALSE)
- Update Homework 2 Question 11's answer
If you roll ten standard dice, take their average, then repeat this process over and over and construct a histogram, what would be its variance expressed to 3 decimal places?
answer: 0.292
original answer: 2.917, I did not realize that there are ten standard dice.
- Do swirl assignments for 9, 10, and 11
- Learn ggplot2 for the courser project (2nd part)
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