Determine the sample size required to achieve power = .77, assuming μ0 = 10, σ = 2, and H1: μ1 – μ0 > 0, for α = .05 and δ = .833. Please round your answer UP to the nearest integer
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Determine the
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- Find the value of “z sub alpha” z0.15 And for z0.02Refer to the figure at the right. At α=0.01, can you reject the claim that the proportion of 18 to 24-year-olds living in their parents' homes in 2000 was the same for men and women? Assume the survey included a random sample of 252 men and 248 women.Determine the sample size required to achieve power = 0.93, assuming μ0 = 12, σ =8, and H1: μ1 - μ0 > 0, for α = 0.001 and δ = 0.666. Please round the answer UP to the nearest whole number.
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- Use the given data set to complete parts (a) through (c) below. (Use α=0.05.)When you post a picture on social media, it seems like your friends randomly "like" the picture. Independent of the quality or the humor of the photo, there seems to be a 15.7% chance of the picture being "liked" for any given picture. Let X represent the number of pictures you post until one is "liked." (X represents the photo number that is actually liked.) Find: μx: ox: P(X = 7): P(X 15): P(10 ≤ x ≤ 17):In a Ni-Cd battery, a fully charged cell is composed of nickelic hydroxide. Nickel is an element that has multiple oxidation states. Assume the following proportions of the states: Nickel Charge Proportions Found 0 0.17 +2 0.34 +3 0.33 +4 0.5-0.34 Determine the mean of the nickel charge. Please enter the answer to 2 decimal places.
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