Question
In: Statistics and Probability
According to statistics report, a surprising number of motor vehicles are not covered by insurance. Sample...
According to statistics report, a surprising number of motor vehicles are not covered by insurance. Sample results from a poll showed that 52 of 200 vehicles (0.26 or 26%) were not covered by insurance. Assume 95% confidence interval and at a 5% level of significance. show all work.
A. if some vehicle company claimed that the national proportion of motor vehicles that are not covered by insurance is 30%, is this claim reasonable? Why?
B.What is the maximum 95% margin of error for the percentage of motor vehicles that are not insured?
Solutions
orchestra answered 2 years agoRelated Solutions
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance.
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance. Sample results, consistent with the CNBC report, showed 23 of 236 vehicles were not covered by insurance. a. What is the point estimate of the proportion of vehicles not covered by insurance (to 4 decimals)? b. Develop a 99% confidence interval for the population proportion (to 4 decimals).
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance.
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance. Simple results, consistent with the CNBC report, showed 49 of 216 vehicles were not covered by insurance. (See exercise 36 on page 372 of your textbook for a similar problem.) Question 2A Based on the data, can you say the proportion of vehicles not covered by insurance is different from 17% at α=0.1?Question 2B Construct a 98% confidence interval for the true proportion of...
According to statistics reported on news source, a surprising number of motor vehicles are not covered by insurance.
According to statistics reported on news source, a surprising number of motor vehicles are not covered by insurance. Sample results, consistent with the news report, showed 63 of 300 vehicles were not covered by insurance (a) What is the point estimate of the proportion of vehicles not covered by insurance? (b) Develop a 95% confidence interval for the population proportion.
According to statistics reported on news source, a surprising number of motor vehicles are not covered by Insurance
According to statistics reported on news source, a surprising number of motor vehicles are not covered by Insurance. Sample results, consistent with the news report, showed 64 of 400 vehicles were not covered by Insurance (a) What is the point estimate of the proportion of vehicles not covered by Insurance? (b) Develop a 95% confidence interval for the population proportion
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by...
According to statistics reported on CNBC, a surprising number of
motor vehicles are not covered by insurance. Sample results,
consistent with the CNBC report, showed 38 of 194 vehicles were not
covered by insurance.
1. What is the point estimate of the proportion of vehicles not
covered by insurance (to 4 decimals)?
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by...
According to statistics reported on CNBC, a surprising number of
motor vehicles are not covered by insurance. Sample results,
consistent with the CNBC report, showed 46 of 200 vehicles were not
covered by insurance.
What is the point estimate of the proportion of vehicles not
covered by insurance? (round to two decimal places) Answer
Develop a 95% confidence interval for the population proportion.
(round to two decimal places) [Answer , Answer]
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by...
According to statistics reported on CNBC, a surprising number of
motor vehicles are not covered by insurance. Sample results,
consistent with the CNBC report, showed 16 of 180 vehicles were not
covered by insurance.
a. What is the point estimate of the proportion
of vehicles not covered by insurance (to 4 decimals)?
( )
b. Develop a confidence interval for
the population proportion (to 4 decimals).
( , )
According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by...
According to statistics reported on CNBC, a surprising number of
motor vehicles are not covered by insurance. Sample results,
consistent with the CNBC report, showed 37 of 200 vehicles were not
covered by insurance.
a. What is the point estimate of the proportion of vehicles not
covered by insurance (to 4 decimals)?
b. Develop a 95% confidence interval for the population
proportion (to 4 decimals).
( , )
According to statistics reported on news source, a surprising number of motor vehicles are not covered...
According to statistics reported on news source, a surprising
number of motor vehicles are not covered by insurance. Sample
results, consistent with the news report, showed 104 of 400
vehicles were not covered by insurance.
(a)
What is the point estimate of the proportion of vehicles not
covered by insurance?
(b)
Develop a 95% confidence interval for the population proportion.
(Round your answer to four decimal places.)
to
2. According to statistics reported on CNBC, a surprising number of motor vehicles are not covered...
2. According to statistics reported on CNBC, a surprising number
of motor vehicles are not covered by insurance. Sample results,
consistent with the CNBC report, showed 46 of 200 vehicles were not
covered by insurance. a) What is the point estimate of the
proportion of vehicles not covered by insurance? b) Develop a 95%
confidence interval for the population proportion.
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