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STATISTICS 1770 Y
Test 2
March 2013
Answer all questions as thoroughly as possible. Show all your reasoning. Only
COMPLETE answers will earn full marks. The test contains four (4) questions,
with 25 marks available.
This is an OPEN-BOOK test.
Overall Criteria
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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
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
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 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
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STATISTICS 1770 Y
Test 2
November 2009
Answer all questions as thoroughly as possible. Show all your reasoning. Only
COMPLETE answers will earn full marks. There are four (4) questions,
with 25 marks available.
This is an OPEN-BOOK test. Calcu
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STATISTICS 1770 Y
Test 2
November 2011
Answer all questions as thoroughly as possible. Show all your reasoning. Only
COMPLETE answers will earn full marks. There are four (4) questions,
with 25 marks available.
This is an OPEN-BOOK test. Calc
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STATISTICS 1770 Y
Test 2
November 2012
Answer all questions as thoroughly as possible. Show all your reasoning. Only
COMPLETE answers will earn full marks. There are six (6) questions,
with 21 marks available. I will mark the test out of 20.
Page 1 of 10
STATISTICS 1770 Y
Test 1
October 2011
Answer all questions as thoroughly as possible. Only COMPLETE answers will earn full
marks. There are five (5) questions, and there are 35 marks available.
This is an OPEN-BOOK test. Calculators are permi
Page 1 of 10
STATISTICS 1770 Y
Test 1
October 2012
Answer all questions as thoroughly as possible. Only COMPLETE answers will earn full
marks. There are 25 marks available.
This is an OPEN-BOOK test. Calculators are permitted.
Time: 50 minutes
Page 2 of 1
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STATISTICS 1770 Y
University of Lightbridge
Test 1
March 1, 2012
This test has four (4) questions and thirty (30) marks.
Answer all questions as thoroughly as possible. Show all your reasoning. Only
COMPLETE answers earn full marks.
Page 2 of
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STATISTICS 1770 Y
Test 1a
February 2013
Answer all questions as thoroughly as possible. Only COMPLETE answers will earn full
marks. There are five (5) questions, with 20 marks available.
This is an OPEN-BOOK test. Calculators are permitted.
T
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THE UNIVERSITY OF LETHBRIDGE
FINAL EXAMINATION
STATISTICS 1770
FALL 2012
Time: 180 minutes (3 hours)
Answer all nine (9) questions as thoroughly as possible. Only COMPLETE answers will earn
full grades. Show all your reasoning.
There are a to
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THE UNIVERSITY OF LETHBRIDGE
FINAL EXAMINATION
STATISTICS 1770
SUMMER 2012
Time: 180 minutes (3 hours)
Answer all questions as thoroughly as possible. Only COMPLETE answers will earn full
grades. Show all your reasoning.
There are a total of