Problem 6. (5 points) Given the significance level $\alpha = 0.09$ find the z values used in the following tests: (a) left-tailed test z= (b) right-tailed test z = (c) two-tailed test $|z| =$ Note: You can earn partial credit on this problem.
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Step 1
09 in the left tail of the standard normal distribution. Using a standard normal distribution table or a calculator, we can find that the z value corresponding to a cumulative probability of 0.09 is approximately -1.34. Show more…
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