Question
In: Statistics and Probability
The 95% confidence interval for the population of all Thanksgiving turkeys that weigh 12 pounds or...
The 95% confidence interval for the population of all Thanksgiving turkeys that weigh 12 pounds or more is (0.51917, 0.58083). Use this confidence interval to test using alpha=.05 whether the population proportion of all turkeys that weigh 12 pounds or more differs from the following.
a. One
b. Half
c. 0.52
d. 0.58
Solutions
orchestra answered 2 years agoRelated Solutions
At a confidence level of 95% a confidence interval for a population proportion is determined to...
At a confidence level of 95% a confidence interval for a
population proportion is determined to be 0.65 to 0.75. If the
sample size had been larger and the estimate of the population
proportion the same, this 95% confidence interval estimate as
compared to the first interval estimate would be
A. the same
B. narrower
C. wider
95% Confidence Interval: 86.19 ± 0.364 (85.8 to 86.6) "With 95% confidence the population mean is...
95% Confidence Interval: 86.19 ± 0.364
(85.8 to 86.6)
"With 95% confidence the population mean is between 85.8 and
86.6, based on 33945 samples."
Short Styles:
86.19 (95% CI 85.8 to 86.6)
86.19, 95% CI [85.8, 86.6]
Margin of Error: 0.364
What is the impact of your margin of error on your findings?
Explain.
Is there enough evidence to reject the null hypotheses, explain
in plain English?
The mayor is interested in finding a 95% confidence interval for the mean number of pounds...
The mayor is interested in finding a 95% confidence interval for
the mean number of pounds of trash per person per week that is
generated in the city. The study included 174 residents whose mean
number of pounds of trash generated per person per week was 37.4
pounds and the standard deviation was 8.9 pounds. Round answers to
3 decimal places where possible.
Fill in the blanks
1.With 95% confidence the population mean number of pounds per
person per week...
Determine a 95% confidence interval for the population slope. What are the values in this confidence...
Determine a 95% confidence interval for the population slope.
What are the values in this confidence interval tell you? Be
specific
X
Y
1870
3.38
1330
1.16
1760
1.58
1520
2.65
1300
1.98
1520
2.39
1640
2.49
1490
2.81
1300
2.95
1360
1.69
1940
3.49
1730
2.8
1790
2.95
1780
3.8
1730
2.64
1380
2.36
1580
3.1
1900
1.96
1640
3.08
1540
2.24
1350
2.59
1380
2.43
1780
1.95
1700
2.07
1610
2.34
1720
3.59
2070
3.59
1210
2.12
1720...
A 95% confidence interval for the population proportion of k-12 students who do not have internet...
A 95% confidence interval for the population proportion of k-12
students who do not have internet access at home is given by: 12%
to 20%. Consider this claim: The population proportion of k-12
students who do not have internet access at home is less than 8% .
The confidence interval __________ the claim.
A 95% confidence interval for a population mean was reported to be 148.79 to 155.21. If...
A 95% confidence interval for a population mean was reported to
be 148.79 to 155.21. If σ = 15, what sample size was used in this
study? (Round your answer to the nearest integer.)
Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean...
Assuming that the population is normally distributed, construct
a 95% confidence interval for the population mean for each of the
samples below. Explain why these two samples produce different
confidence intervals even though they have the same mean and
range.
Sample A 1 1 2 4 5 7 8 8
Sample B 1 2 3 4 5 6 7 8
Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean,...
Assuming that the population is normally distributed, construct
a 95%
confidence interval for the population mean, based on the
following sample size of n equals 7. 1, 2, 3,
4, 5, 6, 7, and 23
In the given data, replace the value
23
with
7
and recalculate the confidence interval. Using these results,
describe the effect of an outlier (that is, an extreme value) on
the confidence interval, in general.
Find a 95%
confidence interval for the population mean, using...
Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean,...
Assuming that the population is normally distributed, construct
a 95% confidence interval for the population mean, based on the
following sample size of n=6.
1, 2, 3, 4, 5,and 15
In the given data, replace the value 15 with 6 and recalculate
the confidence interval. Using these results, describe the effect
of an outlier (that is, an extreme value) on the confidence
interval, in general.
Find a 95% confidence interval for the population mean, using
the formula or technology.
QUESTION 10 What is the 95% confidence interval for the proportion of smokers in the population...
QUESTION 10
What is the 95% confidence interval for the proportion of
smokers in the population (to 4 decimals)?
QUESTION 8
Question 8-10 are based on the following
information:
The Centers for Disease Control reported the percentage
of people 18 years of age and older who smoke (CDC website,
December 14, 2014). Suppose that a study designed to collect new
data on smokers and nonsmokers uses a preliminary estimate of the
proportion who smoke of .35.
How large a sample...
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