PRACTICE OF STATS - 1 TERM ACCESS CODE
4th Edition
ISBN: 9781319403348
Author: BALDI
Publisher: Macmillan Higher Education
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Question
Chapter 11, Problem 11.7AYK
(a)
To determine
To find:
Theprobability of women with BMD scores between
(b)
To determine
To find:
The probability of women with BMD scores between
(a)
To determine
To find:
The probability of women with BMD scores between
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Calculate the 90% confidence interval for the population mean difference using the data in the attached image. I need to see where I went wrong.
Microsoft Excel snapshot for random sampling: Also note the formula used for the last
column
02
x✓ fx =INDEX(5852:58551, RANK(C2, $C$2:$C$51))
A
B
1
No.
States
2
1
ALABAMA
Rand No.
0.925957526
3
2
ALASKA
0.372999976
4
3
ARIZONA
0.941323044
5
4 ARKANSAS
0.071266381
Random Sample
CALIFORNIA
NORTH CAROLINA
ARKANSAS
WASHINGTON
G7
Microsoft Excel snapshot for systematic sampling:
xfx INDEX(SD52:50551, F7)
A
B
E
F
G
1
No.
States
Rand No. Random Sample
population
50
2
1 ALABAMA
0.5296685 NEW HAMPSHIRE
sample
10
3
2 ALASKA
0.4493186 OKLAHOMA
k
5
4
3 ARIZONA
0.707914 KANSAS
5
4 ARKANSAS 0.4831379 NORTH DAKOTA
6
5 CALIFORNIA 0.7277162 INDIANA
Random Sample
Sample Name
7
6 COLORADO 0.5865002 MISSISSIPPI
8
7:ONNECTICU 0.7640596 ILLINOIS
9
8 DELAWARE 0.5783029 MISSOURI
525
10
15
INDIANA
MARYLAND
COLORADO
Suppose the Internal Revenue Service reported that the mean tax refund for the year 2022 was $3401. Assume the standard deviation is $82.5 and that the amounts refunded follow a normal probability distribution. Solve the following three parts? (For the answer to question 14, 15, and 16, start with making a bell curve. Identify on the bell curve where is mean, X, and area(s) to be determined.
1.What percent of the refunds are more than $3,500?
2. What percent of the refunds are more than $3500 but less than $3579?
3. What percent of the refunds are more than $3325 but less than $3579?
Chapter 11 Solutions
PRACTICE OF STATS - 1 TERM ACCESS CODE
Ch. 11 - Prob. 11.1AYKCh. 11 - Prob. 11.2AYKCh. 11 - Prob. 11.3AYKCh. 11 - Prob. 11.4AYKCh. 11 - Prob. 11.5AYKCh. 11 - Prob. 11.6AYKCh. 11 - Prob. 11.7AYKCh. 11 - Prob. 11.8AYKCh. 11 - Prob. 11.9AYKCh. 11 - Prob. 11.10AYK
Ch. 11 - Prob. 11.11AYKCh. 11 - Prob. 11.12AYKCh. 11 - Prob. 11.13AYKCh. 11 - Prob. 11.14AYKCh. 11 - Prob. 11.15CYSCh. 11 - Prob. 11.16CYSCh. 11 - Prob. 11.17CYSCh. 11 - Prob. 11.18CYSCh. 11 - Prob. 11.19CYSCh. 11 - Prob. 11.20CYSCh. 11 - Prob. 11.21CYSCh. 11 - Prob. 11.22CYSCh. 11 - Prob. 11.23CYSCh. 11 - Prob. 11.24CYSCh. 11 - Prob. 11.25ECh. 11 - Prob. 11.26ECh. 11 - Prob. 11.27ECh. 11 - Prob. 11.28ECh. 11 - Prob. 11.29ECh. 11 - Prob. 11.30ECh. 11 - Prob. 11.31ECh. 11 - Prob. 11.32ECh. 11 - Prob. 11.33ECh. 11 - Prob. 11.34ECh. 11 - Prob. 11.35ECh. 11 - Prob. 11.36ECh. 11 - Prob. 11.37ECh. 11 - Prob. 11.38ECh. 11 - Prob. 11.39ECh. 11 - Prob. 11.40ECh. 11 - Prob. 11.41ECh. 11 - Prob. 11.42ECh. 11 - Prob. 11.43ECh. 11 - Prob. 11.44ECh. 11 - Prob. 11.45ECh. 11 - Prob. 11.46ECh. 11 - Prob. 11.47ECh. 11 - Prob. 11.48ECh. 11 - Prob. 11.49ECh. 11 - Prob. 11.50ECh. 11 - Prob. 11.51E
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