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5. A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?
C(9,6) =
(1/2) 6 (1/2)3= 9/6!3!= 987654321
654321321
( 12 ) 9
= 21
128
7. You flip a coin three times. (a) What is the probability of getting heads on only one of your
Yellow highlighted are all correct and incorrect solutions are available in other files attached
along
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Question 1
Text: David Lane
Page 118, Problem 7
For the data from the 1977 Stat. and Biom. 20
UMUC STAT-200 EXCEL Tips
Dr. Brian Killough
EXCEL includes many functions that can easily calculate statistical parameters. This guide provides an
explanation and examples of the most common functions you will use in this course. First, remember how
to en
UMUC STAT-200 Test #2
Dr. Brian Killough
Instructions: Students must complete the quiz, on their own, with no help from other students, though
help from your instructor is allowed. Students may use their books, computers and any other online
resources to
UMUC STAT-200 Test #1
Dr. Brian Killough
Instructions: Students must complete the quiz, on their own, with no help from other students, though
help from your instructor is allowed. Students may use their books, computers and any other online
resources to
UMUC STAT-200 Homework Assignments
Dr. Brian Killough
Week #7
Textbook #1: Lane et al. Introduction to Statistics, David M. Lane et al., 2013.
( http:/onlinestatbook.com/Online_Statistics_Education.pdf )
Textbook #2: Illowsky et al. Introductory Statistic
UMUC STAT-200 Homework Assignments
Dr. Brian Killough
Week #6
Textbook #1: Lane et al. Introduction to Statistics, David M. Lane et al., 2013.
( http:/onlinestatbook.com/Online_Statistics_Education.pdf )
Textbook #2: Illowsky et al. Introductory Statistic
UMUC STAT-200 Homework Assignments
Dr. Brian Killough
Week #3 - SOLUTIONS
Lane - Chapter 5: 7,25,27
7. Sample Space = 2^3 = 8
a) HHT or THT or TTH (3 cases) = 3/8 = 0.375
b) P (1 or more Head) = 1 P(no heads) = 1 1/8 = 7/8 = 0.875
25. Use the Binomial Pro
UMUC STAT-200 Homework Assignments
Dr. Brian Killough
Textbook #1: Lane et al. Introduction to Statistics, David M. Lane et al., 2013.
( http:/onlinestatbook.com/Online_Statistics_Education.pdf )
Textbook #2: Illowsky et al. Introductory Statistics, Barba
UMUC STAT-200 Homework Assignments
Dr. Brian Killough
Week #2 - SOLUTIONS
Lane - Chapter 2: 7,9 and Chapter 3: 6,8,30,31
7.
Eye Color
Students
Brown
Blue
Green
Gray
11
10
4
1
Total = 26
Relative
Frequency
11/26 = 0.42
10/26 = 0.38
4/26 = 0.15
1/26 = 0.04
UMUC STAT-200 Homework Assignments
Dr. Brian Killough
Week #1 - SOLUTIONS
Lane - Chapter 1: 3,10,17,18
3. See page 29. The 80th percentile could be based on 3 different definitions, so you wouldnt know
exactly how it was calculated without further informa