2. Determine whether each pair of statements is a valid set of null and alternative hypotheses. Justify your answers.
(a) H0: p = 0.56; HA: p < 0.56
(b) H0: ?̅= 78.5; HA: ?̅≠ 78.5
(c) H0: μ = 34; HA: μ = 38
(d) H0 = 11.0; HA > 11.0
(e) H0: p < 0.29; HA: p > 0.29
2. Determine whether each pair of statements is a valid set of null and alternative hypotheses....
For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the hypothesis test as two tailed, left tailed, or right tailed The mean local monthly bill for cell phone users in this country was $43.56 in 2001. A hypothesis test is to be performed to determine whether last year's mean local monthly bill for cell phone users has decreased from the 2001 mean of $43.56 Choose the correct null and alternative hypotheses below OA. Ho : μ...
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? H0: μ = 9 H1: μ > 9 What type of test is being conducted in this problem? Left-tailed test Right-tailed test Two-tailed test What parameter is being tested? A )POPULATION MEAN B) POPULATION STANDARD DEVIATION C) POPULATION PORPORTION
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed and the parameter that is being tested. H0: p = 0.86 H1: p > 0.86 Group of answer choices Left-tailed, Right-tailed, Right-tailed, p Left-tailed, p
Suppose that the null and alternative hypotheses for a study on the average weight for an animal species are given below: H0∣μ=32.1mg Ha∣μ≠32.1mg Assume that you construct a confidence interval from a sample that is given by: (C.I.)μ95%=(38.5,48.2)mg Define δto be the distance from the null-hypothesis claim to the closest boundary of the obtained confidence interval. This is one metric that can be used to determine the "strength" of the hypothesis test conclusion. What is the value of δfor this...
a. Select the null and the alternative hypotheses in order to test whether average monthly debt payments are greater than $900 НО : 900 ; НА : 900 H0: μ 900; HA: μ > 900 0H0: μ 900, HA: μ < 900 0 b. What assumption regarding the population is necessary to implement this step? Unimodal and fairly symmetric O Unimodal and skewed Not necessarily unimodal and symmetric Not necessarily unimodal and skewed c-1. Calculate the value of the test...
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? H0: p = 0.4 H1: p > 0.4 What type of test is being conducted in this problem? Left-tailed test Two-tailed test Right-tailed test . What parameter is being tested? Population Mean Population Proportion Population standard deviation
For each situation, state the null and alternative hypotheses: (Type "mu" for the symbol μ , e.g. mu > 1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1. Please do not include units such as "mm" or "$" in your answer.) (a) The diameter of a spindle in a small motor is supposed to be 5.3 millimeters (mm) with...
For each situation, state the null and alternative hypotheses: (Type "mu" for the symbol μ , e.g. mu > 1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1. Please do not include units such as "mm" or "$" in your answer.) (a) The diameter of a spindle in a small motor is supposed to be 4.8 millimeters (mm) with a standard...
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? H0: p = 0.3 H1: p < 0.3 What type of test is being conducted in this problem? Two-tailed test Right-tailed test Left-tailed test - Correct Answer What parameter is being tested? Population mean Population standard deviation Population proportion
(1 point) For each situation, state the null and alternative hypotheses: (Type "mu" for the symbol μ , e.g. mu > 1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1. Please do not include units such as "mm" or "$" in your answer.) (a) The diameter of a spindle in a small motor is supposed to be 4.5 millimeters...