University of Lethbridge
Stat 1770YA Fall 2016 Quiz 5, October 27th
1. (10 marks) The Environmental Protection Agencys fuel economy estimates for
automobiles suggest a mean of 25.2 mpg and a standard deviation of 4.8 mpg for city
driving. Assume that a no
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 4, October 20th
1. (10 marks) Let be a random variable that follows a binomial distribution. Suppose that
the probability of success is 0.7.
a) Find the probability that there are exactly 3 successes in
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 6, November 3 rd
1.
(15 marks) An actuary needs to know how many 20-year-olds will be alive at age 65 for
pension purposes. According to the Vital Statistics of the United States, the probability
that a
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 3, October 6th
1. (10 marks) At MacKays Ice Cream, they keep track of how many ice cream cones a
customer buys. Let the random variable be the number of ice cream cones a customer
buys. Suppose has the f
University of Lethbridge
Stat 1770YA Spring 2015 Quiz 3, February 8th
1. (10 marks) Suppose a bag contains 4 red marbles, 3 blue marbles and 1 green marble.
Two marbles will be selected, one at a time, at random from the bag without replacement.
In other
University of Lethbridge
Stat 1770YA Fall 2016 Sept 22ndQuiz 1
1. A cheese company produces 4 different types of cheeses, cheddar (C), marble (M),
mozzarella (Z), and gouda (G). In a survey, 20 customers were selected at random and the
Type of cheese and
University of Lethbridge
Stat 1770YA Spring 2016 Quiz 1, January 20
1. A study is being conducted to determine the amount of beer a person consumes in a
week. The study will also look at the age of each person. The results are summarized
below:
Amount of
University of Lethbridge
Stat 1770YA Fall 2015 Quiz 5, October 29th
1. (10 marks) Let be a random variable that follows a binomial distribution. Suppose that
the probability of success is 0.8.
a) Find the probability that there are exactly 2 successes in
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 2, Sept 29 th
1. (20 marks) Answer the following questions based on this contingency table. State any
probability rule that you used to answer the question.
Event D
Event E
Event F
Total
Event A Event B
University of Lethbridge
Stat 1770YA Spring 2016 Quiz 3, February 3rd
1. (15 marks) The following is the contingency table for enrollment in public and private
schools by level.
T1 Public T2 Private Total
L1 Elementary
339
46
385
L2 Junior High
135
13
148
Overall Criteria
I Empowen'nsnt ol Aboriginal and First Nation
Marketing
Community involvement
Time
Etzluoation.r skill specialization
Looation and density of oonsumer oase
Produot
Expansion
Academic Writing 1000 (Fall 2016): Introduction to Academic
Writing
University of Lethbridge, Academic Writing Program
Location: UH D630
Instructor: Dr. Erin Spring
Office: D536
Office Hours: Mondays 10-11:30 & 1-2:30, or by appointment
Phone: (403) 380-1
University of Lethbridge
Stat 1770YA Fall 2016 Test 1, October 13 th
This is an open book test and calculators are allowed. You have 90 mins to complete the test.
Please show all work for full marks and state your answers to 4 significant digits.
1. (10 m
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 3, October 6th
1. (10 marks) At MacKays Ice Cream, they keep track of how many ice cream cones a
customer buys. Let the random variable be the number of ice cream cones a customer
buys. Suppose has the f
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 4, October 20th
1. (10 marks) Let be a random variable that follows a binomial distribution. Suppose that
the probability of success is 0.7.
a) Find the probability that there are exactly 3 successes in
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 6, November 3 rd
1.
(15 marks) An actuary needs to know how many 20-year-olds will be alive at age 65 for
pension purposes. According to the Vital Statistics of the United States, the probability
that a
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 5, October 27th
1. (15 marks) The Environmental Protection Agencys fuel economy estimates for
automobiles suggest a mean of 25.2 mpg and a standard deviation of 4.8 mpg for city
driving. Assume that a no
University of Lethbridge
Stat 1770YA Fall 2015 Quiz 6, November 5th
1. (15 marks) It is known that in a large company that 10% of all accounts are in error.
Accounts are inspected until the first account in error is encountered. Let be the
random variable
University of Lethbridge
Stat 1770YA Fall 2016 Sept 22ndQuiz 1
1. A cheese company produces 4 different types of cheeses, cheddar (C), marble (M),
mozzarella (Z), and gouda (G). In a survey, 20 customers were selected at random and the
Type of cheese and
University of Lethbridge
Stat 1770YA Fall 2016 Quiz 2, Sept 29 th
1. (20 marks) Answer the following questions based on this contingency table. State any
probability rule that you used to answer the question.
Event D
Event E
Event F
Total
Event A Event B
Page 1 of 28
STATISTICS 1770
Assignment #3
1.
For the population of 18 74-year-old males in the United States, systolic blood
pressure is approximately normally distributed with a mean of 129 mm Hg and a
standard deviation of 19.8 mm (National Center for
Page 1 of 12
The Geometric Mean
two examples
1.
You have invested $1000 in stock XYZ. In the first year, you lose $500; in
the second year you gain $500. Over the two years, what percentage of
your original investment have you gained or lost?
2.
You have
Page 1 of 10
STATS 1070
Quiz1
1.
The table below lists the 38 final marks in a particular course.
a)
Construct a stem and leaf diagram. [2 marks]
b)
What is the highest mark? [1 mark]
c)
What is the lowest mark? [1 mark]
d)
Which stem has the most leafs?