What proportion of drivers would you expect to fail a driving test in a sample of size 10? Size 20? Size 40? Size 100?
What proportion of drivers would you expect to fail a driving test in a sample of size 10? Size 20? Size 40? Size 100?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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What proportion of drivers would you expect to fail a driving test in a sample of size 10? Size 20? Size 40? Size 100?
![P17. The GMAC Insurance National Driver's Test
found that about 10% of drivers ages 16 to 65
would fail a written driver's test if they had to
take one today. [Source: Insurance Journal, 2005, www
insurancejournal.com.] The sampling distributions
in Display 7.44 give the proportion of drivers
who would fail for samples of size 10, 20, 40,
and 100 taken from a population like this
one, where p = 0.10.
Relative Frequency
Relative Frequency
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.20
0.16
0.08
0.04
0.0 0.2 0.4 0.6 0.8 1.0
Sampling Distribution
for 10 and p = 0.10
MTTIFITT
0.0 0.2 0.4 0.6 0.8 10
Sampling Distribution
for 40 and p = 0.10
Display 7.44
Relative Frequency
Relative Frequency
0.30
0.25
0.20-
0.15-
0.10-
0.05-
0.00
0.14
0.08
0.01
0.02
0.0 0.2 0.4 0.6 0.8 1.0
Sampling Distribution
for #20 and p = 0.10
0.0 0.2 0.4 0.6 0.8 1.0
Sampling Distribution
for n 100 and p = 0.10
Exact sampling distributions of p for
samples of size 10, 20, 40, and 100
when p0.10.
B
b.
C.
d.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1e75620b-2569-484b-92a6-caa1380def2f%2Fd81170cc-aaf0-4ee0-b000-5fe3d79356aa%2Fbgdz87_processed.jpeg&w=3840&q=75)
Transcribed Image Text:P17. The GMAC Insurance National Driver's Test
found that about 10% of drivers ages 16 to 65
would fail a written driver's test if they had to
take one today. [Source: Insurance Journal, 2005, www
insurancejournal.com.] The sampling distributions
in Display 7.44 give the proportion of drivers
who would fail for samples of size 10, 20, 40,
and 100 taken from a population like this
one, where p = 0.10.
Relative Frequency
Relative Frequency
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.20
0.16
0.08
0.04
0.0 0.2 0.4 0.6 0.8 1.0
Sampling Distribution
for 10 and p = 0.10
MTTIFITT
0.0 0.2 0.4 0.6 0.8 10
Sampling Distribution
for 40 and p = 0.10
Display 7.44
Relative Frequency
Relative Frequency
0.30
0.25
0.20-
0.15-
0.10-
0.05-
0.00
0.14
0.08
0.01
0.02
0.0 0.2 0.4 0.6 0.8 1.0
Sampling Distribution
for #20 and p = 0.10
0.0 0.2 0.4 0.6 0.8 1.0
Sampling Distribution
for n 100 and p = 0.10
Exact sampling distributions of p for
samples of size 10, 20, 40, and 100
when p0.10.
B
b.
C.
d.
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