n equal to 0.0145 a 95% confidence that pportion of children road traffic lies betwee 11.18% II pr II

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Which of the following
statements is(are) TRUE? *
I. A point estimate of the true
proportion of children involved in
road traffic is 0.0783 with measure
of precision equal to 0.0145
II. There is a 95% confidence that
the true proportion of children
involved in road traffic lies between
5.22% and 11.18%
O Both I and II
O Neither I nor II
Transcribed Image Text:Which of the following statements is(are) TRUE? * I. A point estimate of the true proportion of children involved in road traffic is 0.0783 with measure of precision equal to 0.0145 II. There is a 95% confidence that the true proportion of children involved in road traffic lies between 5.22% and 11.18% O Both I and II O Neither I nor II
A lawmaker plans to propose a “Child
Car Seat" Law that will issue rules and
regulations about the use and
installation of child car seats to
privately owned motor vehicles in the
country. While drafting the proposal,
the true proportion of children
involved in road traffic was
estimated.
Below are some of the R outputs
using the data obtained from a
random sample of 345 cases.
R COMMANDER OUTPUT
Exact binomial test
95 percent confidence interval:
0.05220593 0.11182408
sample estimates:
probability of success
0.07826087
Transcribed Image Text:A lawmaker plans to propose a “Child Car Seat" Law that will issue rules and regulations about the use and installation of child car seats to privately owned motor vehicles in the country. While drafting the proposal, the true proportion of children involved in road traffic was estimated. Below are some of the R outputs using the data obtained from a random sample of 345 cases. R COMMANDER OUTPUT Exact binomial test 95 percent confidence interval: 0.05220593 0.11182408 sample estimates: probability of success 0.07826087
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