Introduction to Mathematical Statistics
28 October 2010
Project Proposal
Introduction
Focus. The word itself seems so straightforward and its practice so habitual. As students we
focus during class, on our exams, and during our extra curricular endeavors.
Carnival Game!
Weekly Homework 10/18/10
Statistics
1. Proportion of contestants that will win and justification:
According to the histogram the center of the results is at about 0.6. Five percent of that is .03 so the
successful guesses would range from .
Statistics Homework
Chapter 2 Problems 4, 5, and 6
4. A tennis fan recorded data on a random sample of 16 first-round mens singles matches
from the 2004 US open and also on a random sample of 16 first-round womens
matches. Variables include gender, number
Chapter 3 Problem 18
Statistics Weekly Homework
In a study whose results were published in the British Medical Journal, researchers tested
whether dogs sense of smell can be helpful in detecting cancer in humans. Each dog used
in the study was presented w
Elevator Inference
11/1/10
Stats
They got an average elevator weight of 171.6 lbs. The SD of their sample was 48 lbs. In this problem,
youll use this information to make inferences about the population.
a. Identify the population, parameter, sample, and s
Chapter 4 Problems 3, 6, and 12
Stats
11/8/10
Corrections=italics
3.
a) Function for the density curve of the parameter 33 minutes:
(1/33)*e^(-x/33) for x>=0
b) Integrate this to find P(X>=60):
(1/33)*e^(-x/33)=-e^(-x/33).from 60 to =0-(-e^(-x/33)=0.1623
Population
All Digits of Pi
Parameters
% of digits that are 0s in the population = 0
% of digits that are 1s in the population = 1
% of digits that are 2s in the population = 2
% of digits that are 3s in the population = 3
% of digits that are 4s in the p
Pregnancy Duration
Stats 11/1/10
Italics=corrections
1. The duration of human pregnancies can be described by a Normal model with mean
266 days and standard deviation 16 days.
a) What percentage of pregnancies should last between 266 and 282 days?
This mo
In class we gathered six data points. I got the impression that some (or all) of the groups
would have like to have more data points. So this afternoon I scooped 40 samples of beans
from the bag and computed a statistic for each one. I added these 40 data
Chapter 3 problem 13
Statistics Weekly Homework
One of the authors moved to California in 2001 and faced the traumatic situation of
taking a multiple-choice exam to qualify for a California drivers license. This exam
consisted of 36 questions, with three