Excursions In Modern Mathematics, 9th Edition
9th Edition
ISBN: 9780134494142
Author: Tannenbaum
Publisher: PEARSON
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Chapter 14, Problem 13E
Starting in 2004, a study to determine the number of lake sturgeon on Rainy River and Lake of the Woods on the United States-Canada border was conducted by the Canadian Ministry of Natural Resources, the Minnesota Department of Natural Resources, and the Rainy River First Nations. Using the capture-recapture method, the size of the population of lake sturgeon on Rainy River and Lake of the Woods was estimated at
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An article reported the estimated percentage of U.S. households with only wireless phone service (no landline) for the 50 states and the District of Columbia. In the accompanying data table, each state was also classified into one of three geographical regions—West (W), Middle states (M), and East (E).
Wireless %
Region
State
Wireless %
Region
State
43.4
M
AL
40.9
W
MT
39.6
W
AK
46.6
M
NE
49.3
W
AZ
48.5
W
NV
56.2
M
AR
43.5
M
ND
42.9
W
CA
31.2
E
NH
50.5
W
CO
25.2
E
NJ
26.8
E
CT
46.9
W
NM
29.4
E
DE
31.1
E
NY
49.7
E
DC
42.8
E
NC
47.7
E
FL
45.8
E
OH
45.9
E
GA
50.5
M
OK
38.4
W
HI
47.1
W
OR
56.1
W
ID
30.0
E
PA
45.8
M
IL
34.7
E
RI
47.6
M
IN
49.6
E
SC
50.8
M
IA
41.4
M
SD
51.5
M
KA
46.6
M
TN
47.1
M
KY
54.6
M
TX
40.8
M
LA
52.1
W
UT
40.7
E
ME
41.0
E
VA
36.1
E
MD
37.1
E
VT
31.5
E
MA
48.4
W
WA
47.7
M
MI
37.2
E
WV
43.0
M
MN
46.5
M
WI
55.1
M
MS
51.8
W
WY
51.6
M
MO
(a)
Construct a comparative boxplot that makes it possible to compare…
The director of a large public library must schedule employees to reshelf books and periodicals checked out of the library. The number of items checked out will determine the labor requirements. The following data reflect the number of items checked out of the library for the
past three years:
Month
Year 1
Year 2
Year 3
January
February
March
April
May
1,733
2,676
2,417
2.432
2 421
2,053
2,321
2,359
2,088
2 692
2,132
2,564
2,677
2,150
2,243
2,692
2,421
2,378
2,239
2,445
June
2,122
2,206
July
August
September
October
1,869
2,506
2,291
2,378
2,189
2,663
2,039
1,678
1,699
2,065
2,113
2,404
1,903
1,922
November
2,399
2,274
December
The director needs a time-series method for forecasting the number of items to be checked out during the next month.
Suppose that the director considers the best forecast to be the one that minimizes the absolute value of mean bias (E). Find the best simple moving average forecast you can using the director's criteria.
Using the director's criteria, the best…
Rocky Mountain National Park is a popular park for outdoor recreation activities in Colorado. According to U.S. National Park Service statistics, 46.7% of visitors to Rocky Mountain National Park in 2018 entered through the Beaver Meadows park entrance, 24.3% of visitors entered through the Fall River park entrance, 6.3% of visitors entered through the Grand Lake park entrance, and 22.7% of visitors had no recorded point of entry to the park (U.S. National Park Service website). Consider a random sample of 175 Rocky Mountain National Park visitors. Use the normal approximation of the binomial distribution to answer the following questions.
What is the probability that at least 75 visitors had a recorded entry through the Beaver Meadows park entrance?
What is the probability that at least 70 but less than 80 visitors had a recorded entry through the Beaver Meadows park entrance?
What is the probability that fewer than 10 visitors had a recorded entry through the Grand Lake park…
Chapter 14 Solutions
Excursions In Modern Mathematics, 9th Edition
Ch. 14 - As part of a sixth-grade class project the teacher...Ch. 14 - As part of a sixth-grade class project the teacher...Ch. 14 - Madison County has a population of 34,522 people....Ch. 14 - Madison County has a population of 34,522 people....Ch. 14 - A big concert was held at the Bowl. Men and women...Ch. 14 - A large jar contains an unknown number of red...Ch. 14 - You want to estimate how many fish there are in a...Ch. 14 - To estimate the population in a rookery, 4965 fur...Ch. 14 - To count whale populations, the capture is done by...Ch. 14 - The critically endangered Mauis dolphin is...
Ch. 14 - Exercises 11 and 12 refer to Chapmans correction....Ch. 14 - Exercises 11 and 12 refer to Chapmans correction....Ch. 14 - Starting in 2004, a study to determine the number...Ch. 14 - Exercises 25 through 28 refer to the following...Ch. 14 - Name the sampling method that best describes each...Ch. 14 - An audit is performed on last years 15, 000...Ch. 14 - Exercise17 through 20 refer to the following...Ch. 14 - Exercise17 through 20 refer to the following...Ch. 14 - Exercise17 through 20 refer to the following...Ch. 14 - Exercise17 through 20 refer to the following...Ch. 14 - Prob. 21ECh. 14 - Prob. 22ECh. 14 - Prob. 23ECh. 14 - Prob. 24ECh. 14 - Exercises 25 through 28 refer to the following...Ch. 14 - Exercises 25 through 28 refer to the following...Ch. 14 - Exercises 25 through 28 refer to the following...Ch. 14 - Exercises 29 and 30 refer to the following story:...Ch. 14 - Exercises 29 and 30 refer to the following story:...Ch. 14 - Prob. 31ECh. 14 - Prob. 32ECh. 14 - Exercises 33 through 36 refer to the following...Ch. 14 - Exercises 33 through 36 refer to the following...Ch. 14 - Exercises 33 through 36 refer to the following...Ch. 14 - Exercises 33 through 36 refer to the following...Ch. 14 - Exercises 37 through 40 refer to a clinical study...Ch. 14 - Exercises 37 through 40 refer to a clinical study...Ch. 14 - Exercises 37 through 40 refer to a clinical study...Ch. 14 - Prob. 40ECh. 14 - Prob. 41ECh. 14 - Exercises 41 through 44 refer to a clinical trial...Ch. 14 - Prob. 43ECh. 14 - Exercises 41 through 44 refer to a clinical trial...Ch. 14 - Prob. 45ECh. 14 - Prob. 46ECh. 14 - Exercises 45 through 48 refer to a study on the...Ch. 14 - Prob. 48ECh. 14 - Exercises 49 through 52 refer to a landmark study...Ch. 14 - Prob. 50ECh. 14 - Exercises 49 through 52 refer to a landmark study...Ch. 14 - Prob. 52ECh. 14 - Exercises 53 through 56 refer to a study conducted...Ch. 14 - Prob. 54ECh. 14 - Exercises53_ through 56_ refer to a study...Ch. 14 - Exercises53 through 56 refer to a study conducted...Ch. 14 - Prob. 57ECh. 14 - Prob. 58ECh. 14 - Exercises 57 through 60 refer to the following...Ch. 14 - Prob. 60ECh. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - Prob. 63ECh. 14 - Prob. 64ECh. 14 - Read the examples of informal surveys given in...Ch. 14 - Leading-question bias. The way the questions in...Ch. 14 - Prob. 67ECh. 14 - Prob. 68ECh. 14 - Prob. 69ECh. 14 - Prob. 70ECh. 14 - Prob. 71ECh. 14 - Prob. 72ECh. 14 - One of the problems with the capture-recapture...Ch. 14 - Darrochs method. is a method for estimating the...
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