Find t, for a 95% confidence interval for the population mean. The sample size is 30. O a. 1.699 O b. 1.697 Oc. 2.045 O d. 2.756 e. 1.645 O f. 1.96
Q: The average salary of 64 employee was 5400 and the sample standard deviation was 280. Find the 90%…
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A: From the provided information, Sample size (n) = 59 and x = 29 The sample proportion can be obtained…
Q: Construct the confidence interval for the population mean. c=0.98 x overbar= 8.1 σ=0.5 and n=44…
A: given that,population standard deviation, σ =0.5sample mean, x =8.1size (n)=44
Q: Construct the confidence interval for the population mean . c=0.90, x= 16.4, o= 10.0, and n= 85 A…
A: From the provided information, Sample size (n) = 85 Average (x̅) = 16.4 Population standard…
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Q: The average salary of 36 employee was 4650 and the sample standard deviation was 165. Find the 99%…
A: We associate with the interval estimate is called a confidence interval. This probability indicates…
Q: Use the given degree of confidence and sample data to construct a confidence interval for the…
A: The provided information are: n=195 x=162 to calculate 95% confidence Interval: p⏞=xn=162195=0.831
Q: Construct the confidence interval for the population mean mean μ. c=0.90, x (x-bar)=16.2, σ=10.0…
A: The 90% confidence interval for the population mean µ is calculated as follows:
Q: Construct the indicated confidence interval for the population mean p using the t-distrib c=0.90, x=…
A: Solution: Given information: n= 9 Sample size x= 13.3 Sample mean s=2.0 Sample standard…
Q: Construct the indicated confidence interval for the population mean μ using the t-distribution.…
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Q: Construct the confidence interval for the population mean μ. c=0.90, x=16.9, σ=8.0, and n=
A: If the population standard deviation is known we can use z test for computing confidence interval…
Q: The 95% confidence interval for the population mean is . 09.336 < u < 10. 664 09.342 <µ < 10. 658
A: Given data,n=100x=10σ=4Find 95% CI?
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Q: If X = 66, S = 16, and n = 64, and assuming that the population is normally distributed, construct a…
A: Given data: Sample mean = 66 Sample standard deviation = 16 Sample size = 64 Confidence level = 95%…
Q: Construct the confidence interval for the population mean μ. c=0.98, x=4.5, σ=0.6, and n=57
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Q: Construct the confidence interval for the population mean y. C= 0.90, x=16.6, o= 10.0, and n= 80
A: Here, C=0.90, x=16.6, σ=10.0, and n=80.
Q: Find the critical value χ 2/ L corresponding to a sample size of 24 and a confidence level of 95…
A: Given, Sample size n=24 degrees of freedomdf=n-1 df=24-1=23 ∝=1-0.95…
Q: Construct the indicated confidence interval for the population mean p using the t-distribution.…
A: The critical value of t at 0.98 confidence level and df = (n - 1) = 11 is 2.718 (from t…
Q: Construct the confidence interval for the population mean u. c= 0.98, x= 16.2, o =6.0, and n= 100…
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Q: A sample of 64 was taken from a population, with the mean of the sample being 25 and the standard…
A: It is given that Sample mean = 25 Sample standard deviation = 2 Sample size = 64 Confidence level =…
Q: Construct the confidence interval for the population mean μ. c=0.95, x=8.1, σ=0.3, and n= 40
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Q: Construct the confidence interval for the population mean . C=0.98, x=15.3, = 10.0, and n=75
A: The Confidence Interval formula is X ± Z s √(n) Where: X is the mean Z is the Z-value…
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A: Obtain 95% confidence interval for the population proportion p. The 95% confidence interval for…
Q: The average salary of 64 employee was 5400 and the sample standard deviation was 270. Find the 90%…
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Q: The average salary of 64 employee was 5400 and the sample standard deviation was 280. Find the 95%…
A: It's a t distribution as the population standard deviation is unknown
Q: If X=99, S=7, and n=64, and assuming that the population is normally distributed, construct a…
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Q: FIND t a n = 15 for the 98% confidence interval for the mean.
A: Provided information that, n=15 Alpha (α)=1-0.98=0.02 α/2=0.01
Q: c. Find the confidence interval for the population mean with confidence level of 99%
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Q: Use the given degree of confidence and sample data to construct a confidence interval for the…
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Q: Use the following information to compute the confidence interval for the population proportion. a.n…
A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…
Q: The monthly income for 12 randomly selected people, each with a bachelor's degree , are shown.…
A: The monthly income for 12 randomly selected people, each with a bachelor's degree , are shown.…
Q: If (220 ,230) is a confidence interval for the population mean p, then the point estimator in this…
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Q: Construct the confidence interval for the population mean p. c= 0.95, x 8.9, o=0.7, and n= 46
A: As the population standard deviation is known, we will use z distribution. The value of z at 95%…
Q: Construct the confidence interval for the population mean μ. c=0.98, x=6.9, σ=0.6, and n=51
A: Given that,
Q: Which estimate at a 95% confidence level most likely comes from a small sample? OA. 78% (14%) OB.…
A: The provided information is α=0.05 The critical value is z=1.96 (from statistical table)…
Q: Construct the confidence interval for the population mean u. c= 0.98, x 6.8, o = 0.8, and n=51
A: It is given that Sample size n = 51 Sample mean M = 6.8 Population SD = 0.8 The critical value of Z…
Q: C. Find the sample size for each of the following: 1. 90% confidence, E = 0.005, p = 0.25 2. 95%…
A: as per our company guidelines we are able to answer only first 3 sub-parts. Kindly repost other…
Q: Construct the confidence interval for the population mean µ. c = 0.90, x = 16.5, o = 9.0, and n= 35…
A: Solution: From the given information, the confidence level is 0.90, x-bar=16.5, σ=9 and n=35.
Q: For a population, the value of the standard deviation is 2.51. A random sample of 35 observations…
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Q: The average salary of 64 employee was 5400 and the sample standard deviation was 260. Find the 90 %…
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Q: The following observations were randomly sampled from a Normal distribution. Using this data,…
A: For the given sample values, Sample mean=x-bar=9.7173, from the excel function, =AVERAGE(G1:G15)…
Q: Construct the confidence interval for the population mean c=0.98 X=9.5 o=0.5 n=54
A: Given: mean c=0.98 X bar=9.5 o=0.5 n=54 A=1-0.98=0.02
Q: What is the critical value, t, for a 95% confidence interval with a sample size of 6? A. 4.032 B.…
A: For level of significance α and sample of size n, the critical value is tα/2,n – 1 with degrees of…
Q: Construct the confidence interval for the population mea
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Q: Use the T Table to find the T score that corresponds to
A: Use the T Table to find the T score that corresponds to a sample size of 15 anda confidence level…
Q: Construct the confidence interval for the population mean μ. c=0.90, x=16.8, σ=8.0, and n=40
A: Given: n= 40.0 , x̄= 16.8 σ= 8.0 At 90.0 % confidence level , z score= 1.645
Q: for the population mean p? hg<u< hg (Round to one decimal place as needed.) Are the results between…
A: As the population standard deviation is not known, w will use t-distribution. df=n-1=181−1=180 α=0.1…
Q: onstruct the confidence interval for the population mean p. c= 0.90, x=7.1, o = 0.5, and n= 45
A: Given data,n=45x=7.1σ=0.5c=0.90Construct a 90% CI?
Q: C. FIND t a n = 15 for the 98% confidence interval for the mean.
A: Given problem is :
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