In a hypothesis test with the null and alternative hypotheses hypotheses Ho: 80 and H ...

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In a hypothesis test with the null and alternative hypotheses hypotheses Ho: 80 and H <80, a random sample of 99 elements selected from the population produced a mean of 75.3. Assume that = 24.6, and that the test is to be made at the 5% significance level. What is the value of the test statistic, z, rounded to three decimal places? i eTextbook and Media In a hypothesis test with the null and alternative hypotheses hypotheses Ho: 80 and H <80, a random sample of 99 elements selected from the population produced a mean of 75.3. Assume that = 24.6, and that the test is to be made at the 5% significance level. What is the value of the test statistic, z, rounded to three decimal places? i eTextbook and Media