From 46492210c9caa8c8cc54cb2bf851fe1b50e0f60e Mon Sep 17 00:00:00 2001 From: David Radcliffe Date: Tue, 2 Dec 2014 01:35:18 -0600 Subject: [PATCH] input boxes won't display without question numbers? --- 06_StatisticalInference/homework/hw2.Rmd | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/06_StatisticalInference/homework/hw2.Rmd b/06_StatisticalInference/homework/hw2.Rmd index 7a28b00c8..7617320ca 100644 --- a/06_StatisticalInference/homework/hw2.Rmd +++ b/06_StatisticalInference/homework/hw2.Rmd @@ -148,7 +148,7 @@ You don't believe that your friend can discern good wine from cheap. Assuming that you're right, in a blind test where you randomize 6 paired varieties (Merlot, Chianti, ...) of cheap and expensive wines -what is the change that she gets 5 or 6 right expressed as a percentage +1. what is the change that she gets 5 or 6 right expressed as a percentage to one decimal place? *** .hint @@ -168,7 +168,7 @@ Consider a uniform distribution. If we were to sample 100 draws from a a uniform distribution (which has mean 0.5, and variance 1/12) and take their mean, $\bar X$ -what is the approximate probability of getting as large as 0.51 or larger expressed to 3 decimal places? +1. what is the approximate probability of getting as large as 0.51 or larger expressed to 3 decimal places? *** .hint Use the central limit theorem that says $\bar X \sim N(\mu, \sigma^2/n)$ @@ -219,7 +219,8 @@ mean((1 : 6 - 3.5)^2 / 10) --- &multitext The number of web hits to a site is Poisson with mean 16.5 per day. -What is the probability of getting 20 or fewer in 2 days expressed + +1. What is the probability of getting 20 or fewer in 2 days expressed as a percentage to one decimal place? *** .hint