A coin-operated drink machine was designed to discharge a mean of 9 ounces of coffee per cup. Suppose that we want to carry out a hypothesis test to see if the true mean discharge differs from 9. State the null hypothesis Ho and the alternative hypothesis H₁ that we would use for this test. Ho: O H₁: 0 μ 0° < X a Р S 0<0 חח

9.1: State the null hypothesis, alternate hypothesis, and whether the probleń left, right, or 2 tailed. INCLUED THE SYMBOLS FOR NULL (H) AND ALTERNATIVE (Hª) A medical researcher wants to test the claim that healthy adults have a mean body perature of less than 98.6°F. Null Hypothesis: Alternative Hypothesis: Choose one: Left Tailed Right Tailed 2 Tailed . A medical researcher wants to test the claim that healthy adults have a mean body perature of 98.6°F. Null Hypothesis: Alternative Hypothesis: Choose one: Left Tailed Right Tailed 2 Tailed 3. The quality control manager at a manufacturing company claims that the propo defective transistors is greater than 0.03. Null Hypothesis: Alternative Hypothesis: Choose one: Left Tailed Right Tailed 2 Tailed 4. A sales representative claims that quarters inserted in her vending machines hav weight of 5.64 g. Null Hypothesis: Alternative Hypothesis: Choose one: Left Tailed Right Tailed 2 Tailed edhid 5. A book store owner claims that the…

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Also, using α = .05, run a two-tail t-test for one sample to test Ho: µ=283 for the 2009 scores. Report the t-obt, df, and p-values. Would you reject the null hypothesis that the 2009 scores come from a population with average 283? If this is the case, does it come from a population from larger or smaller average?