Question
In: Statistics and Probability
Use the following information to construct the confidence intervals specified to estimate μ. a. 95% confidence...
Use the following information to construct the confidence intervals specified to estimate μ.
a. 95% confidence for = 26, σ = 4.5, and n = 57
b. 98% confidence for = 115.6, σ = 21.89, and n = 79
c. 90% confidence for = 3.419, σ = 0.876, and n = 31
d. 80% confidence for = 55.7, σ = 14.1, N = 500, and n = 43
Solutions
Expert Solution
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Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.025))" to find the Z-value.
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Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.01))" to find the Z-value.
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Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.05))" to find the Z-value.
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Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.10))" to find the Z-value.
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orchestra answered 2 years agoRelated Solutions
Use the following information to construct the confidence intervals specified to estimate μ. a. 95% confidence...
Use the following information to construct the confidence
intervals specified to estimate μ. a. 95% confidence for x ¯ = 22,
σ = 3.5, and n = 55 b. 98% confidence for x ¯ = 120.6, σ = 28.89,
and n = 67 c. 90% confidence for x ¯ = 2.419, σ = 0.888, and n = 29
d. 80% confidence for x ¯ = 56.7, σ = 9.1, N = 500, and n = 47
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate μ
from the following data. State the point estimate. Assume the data
come from a normally distributed population. 12.9 11.6 11.9 12.2
12.5 11.4 12.0 11.7 11.8 12.9
(Round the intermediate values to 4 decimal places. Round your
answers to 2 decimal places.)
90% confidence interval: ?≤ μ ?≤
95% confidence interval: ?≤ μ? ≤
99% confidence interval:? ≤ μ ?≤
The point estimate is?
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.2
11.6
11.9
12.5
12.5
11.4
12.0
11.7
11.8
13.2
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
11.9
11.6
11.9
13.0
12.5
11.4
12.0
11.7
11.8
11.9
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate μ
from the following data. State the point estimate. Assume the data
come from a normally distributed population. 12.3 11.6 11.9 12.9
12.5 11.4 12.0 11.7 11.8 12.3 (Round the intermediate values to 4
decimal places. Round your answers to 2 decimal places.) 90%
confidence interval: enter the lower limit of the 90% confidence
interval ≤ μ ≤ enter the upper limit of the 90% confidence interval
95% confidence interval: enter...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
12.5
11.6
11.9
12.5
12.5
11.4
12.0
11.7
11.8
12.5
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval:
≤ μ ≤
95% confidence interval:
≤ μ ≤
99% confidence interval:
≤ μ ≤
The point estimate is
.
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
11.8
11.6
11.9
13.0
12.5
11.4
12.0
11.7
11.8
11.8
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.0
11.6
11.9
12.4
12.5
11.4
12.0
11.7
11.8
13.0
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.0
11.6
11.9
12.4
12.5
11.4
12.0
11.7
11.8
13.0
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.7
11.6
11.9
12.5
12.5
11.4
12.0
11.7
11.8
13.7
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval:
≤ μ ≤
95% confidence interval:
≤ μ ≤
99% confidence interval:
≤ μ ≤
The point estimate is
.
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