A table factor of .7312 from a present value table of $1 means that a certain rate of interest for a certain period of time it w
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Answer: 1.282
Step-by-step explanation:
Given : Significance level :
The alternative hypothesis : , which is left tail-ed , it means the test is left -tailed test i.e. one -tailed test.
By using the standard normal distribution table , we have
The critical value for a one-mean z-test corresponding to the significance level 0.10 is 1.2815515 or approximately 1.282
Hence, the critical value or values for a one-mean z-test at the 10% significance level if the hypothesis test is left-tailed = 1.282