However, If one tailed confidence interval was used, then it should
be 92%, because P( z < 1.405) = 0.92. But since generally we
used two tailed confidence interval, so above answer with
explanation and shaded region was given.
Elsie made a one-samlle z interval for a proportion and used the critical value z* =...
What is the critical value of Z for a distribution with the proportion in the tail of .1151? Assume a one-tailed test. a.2.2 b.1.8 c..2 d.1.2 What is the critical value of Z for a distribution with the proportion in the body of .8389? Assume a one-tailed test. a.0.99 b .5 c.1.99 d.1 What is the critical value of Z for a distribution with the proportion in the tail of .3121? Assume a one-tailed test. a.49 b. .48 c 2.48...
TThe critical value, z*, used for constructing a 96% confidence interval for a population mean (mu) is
The formula used to compute a large-sample confidence interval for p is p̂ ± (z critical value) p̂(1 − p̂) n What is the appropriate z critical value for each of the following confidence levels? (Round your answers to two decimal places.) a) 85%
The formula used to compute a large-sample confidence interval for p is p̂ ± (z critical value) p̂(1 − p̂) n What is the appropriate z critical value for each of the following confidence levels? (Round your answers to two decimal places.) 87%
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 __?
Use the one-proportion z-test to perform the specified hypothesis test. Use the critical-value approach. 10) x=6, n=83, Ho: p=0.08, Ha:p*0.08, a = 0.10 A) z = -0.26; critical values = 1.28; do not reject Ho B) z= -0.41; critical values = +1.28; do not reject Ho C) z= -0.26; critical values = 41.645; do not reject Ho D) z= 1.87; critical values = +1.645; reject Ho
Find the critical value z Subscript czc necessary to form a confidence interval at the level of confidence shown below. cequals=0.87
Find the critical value z Subscript c necessary to form a confidence interval at the level of confidence shown below. c=0.82
Find the critical value z, necessary to form a confidence interval at the level of confidence shown below C 0.92 Round to two decimal places as needed) We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this image
Find the critical value tą to be used for a confidence interval for the mean of the population in each of the following situations. (a) a 95% confidence interval based on n = 18 observations (b) a 90% confidence interval from an SRS of 28 observations (c) an 80% confidence interval from a sample of size 80