Consider the following hypothesis test: Ho : μ > 20 Ha: μ < 20 A sample of 40 provided a sample mean of 19.4. The population standard deviation is 2. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. -1.90 b. What is the p-value (to 3 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer V

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