Determine the critical value for a left-tailed test regarding a population proportion at the alpha = 0.05 level of significance. Use the correct Table to determine the Z score = ________________.
solution:
critical value for a left-tailed test
= 0.05
critical value Z = Z0.05 =-1.645 ( Using z table )
Z score = ___-1.65 rounded________
Determine the critical value for a left-tailed test regarding a population proportion at the alpha =...
Determine the critical value for a left-tailed test regarding a population proportion at the a=0 10 level of significance Click here te vew Page of the cumulative standard Normal distribution table. Click here te page cumulative standard Normal distribution table, Round te wo decimal places as needed)
How to Find a Critical Z Value LEARNING OBJECTIVE: Calculate a critical z-score for a left-tailed, right-tailed, or two-tailed test. Select the correct statement. a.) The critical z-score for a left-tailed test at a 12% significance level is -0.45. b.) The critical z-score for a right-tailed test at a 9% significance level is 1.34. c.) The critical z-score for a two-sided test at a 4% significance level is 1.75. d.) The critical z-score for a two-sided test at a 20% significance level is 0.85.
Determine the critical value for a left-tailed test of a population mean at the α = 0.05 level of significance based on a sample size of n = 35. A. 1.691 B. -2.728 C. 1.690 D. -1.691
2= Determine the critical value for a right-tailed test regarding a population at the al = 0.05 Hovei of significance. round to two decimal plaus) Determine the critical values for a two-tailed test of a population mean at the d= 0.05 level of significance based on a sample size of N= 19. a) ± 1.74 c)+ 7.101 b) J1 d) ± 1.734 Find the standardized test Statistiet for a sample with N=12, X= 34.2, S = 2.2, and a= 0.01...
(a) Determine the critical value(s) for a right-tailed test of a population mean at the α=0.05 level of significance with 10 degrees of freedom. (b) Determine the critical value(s) for a left-tailed test of a population mean at the alphaαequals=0.01level of significance based on a sample size of n=20. (c) Determine the critical value(s) for a two-tailed test of a population mean at the α =0.10 level of significance based on a sample size of n=16.
Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.01 level of significance with 15 degrees of freedom. (b) Determine the critical value(s) for a left-tailed test of a population mean at the a = 0.05 level of significance based on a sample size of n = 20. (c) Determine the critical value(s) for a two-tailed test of a population mean at the a=0.10 level of...
Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a=0.10 level of significance with 10 degrees of freedom (b) Determine the critical value(s) for a left-tailed test of a population mean at the a=0.10 level of significance based on a sample size of n = 15. (c) Determine the critical value(s) for a two-tailed test of a population mean at the a= 0.05 level of significance based on...
Determine the critical value, \(\mathrm{z}_{0}\), to test the claim about the population proportion \(\mathrm{p}<0.850\)given \(\mathrm{n}=60\) and \(\hat{\mathrm{p}}=0.656\). Use \(\alpha=0.05\).
Complete parts (a) through (c) below (a) Determine the critical value(s) for a right-tailed test of a population mean at the ?-0.05 level of significance with 10 degrees of freedom (b Determine the critical value(s) for a left-tailed test of a population mean at the ? 0 01 level of significance based on a sample size of n-15 c) Determine the critical value(s) for a two-tailed test of a population mean at the ?:0.01 level of significance based on a...
Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a=0.10 level of significance with 15 degrees of freedom. (b) Determine the critical value(s) for a left-tailed test of a population mean at the a=0.05 level of significance based on a sample size of n = 20. (c) Determine the critical value(s) for a two-tailed test of a population mean at the a=0.10 level of significance based on a...