Find the value of Z a/2 for an 83% confidence interval.
Group of answer choices
0.7967
1.37
0.95
1.645
0.21
0.085
If Z a/2 2.29, what was the confidence level?
90%
95%
98.9%
74.05%
90.15%
97.8%
Find the value of Z a/2 for an 83% confidence interval. Group of answer choices 0.7967...
With 90% confidence interval and n = 15. Find left critical value for Zinterval. Group of answer choices -1.282 -1.645 -1.761 -1.345
Answers only is fine! Find the critical value zc necessary to form a confidence interval at the level of confidence shown below. c=0.92 Find the margin of error for the given values of c, σ, and n. c = 0.95, σ =2.4, n = 8.1 Level of Confidence. zc 90% 1.645 95% 1.96 99% 2.575 Construct the confidence interval for the population mean μ. c=0.98, x=9.5, σ=0.3, and n= 52 Construct the confidence interval for the population mean μ. c=0.95, x=16.7, σ=6.0, and n=...
Find the critical value zα/2 that corresponds to a 94% confidence level. Group of answer choices a) 1.88 b) 1.75 c) 1.70 d) 1.34
cal values for quick reference during this activity. Confidence level Critical value 0.90 z* = 1.645 0.95 1.960 0.99 2.576 Jump to level 1 1 A poll reported 65% support for a statewide election with a margin of error of 4.33 percentage points. 2 How many voters should be sampled for a 95% confidence interval? Round up to the nearest whole number 4 Ex: 1234 voters 3 Check Next Feedback?
What value of z* should be used to construct a 95% confidence interval of a population mean? Answer choices are rounded to the hundredths place.
The confidence level in a confidence interval is established by A Z-value, such as 1.96 for a 95% confidence interval A t-value, using the appropriate degrees of freedom and the level desired The appropriate statistic for the test distribution The F statistic, using the appropriate degrees of freedom and the level desired
Find the critical value za/2 needed to construct a confidence interval with level 95%. Round the answer to two decimal places. The critical value for the 95% confidence level is _______ .
What is the z-score multiplier to make a 2-sided 95% confidence interval? (this is the value you look up in the standard normal table - enter your answer with 2 decimal places)? What is the z-score multiplier used to make a 1-sided 95% confidence interval? (this is the value you look up in the standard normal table - enter your answer with 2 decimal places)?
Find the critical value z/α2 needed to construct a confidence interval with level 99.7% .Round the answer to two decimal places. The critical value for the 99.7%confidence level is __?
find z sc Construct the confidence interval for the population mean μ 0.95, x 5.2, σ 0.4, and n 58 A 95% confidence interval for μ is D (Round to two decimal places as needed)