Symbolically state the alternative hypotheses for the following claim: The acceptance rate at an Ivy League university is less than 6%. Symbolically state the alternative hypotheses for the following claim: The acceptance rate at an Ivy League university is less than 6%. μ < 0.06 μ = 0.06 p < 0.06 p ≥ 0.06
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Symbolically state the alternative hypotheses for the following claim: The acceptance rate at an Ivy League university is less than 6%.
Symbolically state the alternative hypotheses for the following claim: The acceptance rate at an Ivy League university is less than 6%.
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- Altmans z-score Altmans z-score is a financial tool for predicting insolvency in a business. For a certain company, the z-score formula is z=0.84+0.6StockpriceOutstandingsharesTotalliabilty In this exercise, we assume that thre are 45, 000 outstanding shares at a price of 4.80 each. a. Use L, for total liability, in dollard, and give a formula for the z-score for this company. b. Would a larger total liability idicate a better or worese outlook for the company? c. A z-score of 1.81 or lower indicates a high probability of insolvency. What is the smallest value of L that will give a z-score that indicates a high probability on insolvency?Symbolically state the alternative hypotheses for the following claim: The acceptance rate at an Ivy League university is less than 6%.At a manufacturing company, the percent of defective items produced on the assembly line is 2%. The company is testing a new assembly line designed to reduce the percent of defective parts. The null and alternative hypotheses of the test are described as follows. H0:The percent of defective parts is at least 2%.Ha:The percent of defective parts is less than 2%. H0:The percent of defective parts is at least 2%.Ha:The percent of defective parts is less than 2%. Which of the following describes a Type IIII error that could result from the test?
- At a manufacturing company, the percent of defective items produced on the assembly line is 2%. The company is testing a new assembly line designed to reduce the percent of defective parts. The null and alternative hypotheses of the test are described as follows. H0:The percent of defective parts is at least 2%.Ha:The percent of defective parts is less than 2%.H0:The percent of defective parts is at least 2%.Ha:The percent of defective parts is less than 2%. Which of the following describes a Type IIII error that could result from the test? The test does not provide convincing evidence that the percent is less than 2%, but the actual percent is 3%. A The test does not provide convincing evidence that the percent is less than 2%, but the actual percent is 2%. B The test does not provide convincing evidence that the percent is less than 2%, but the actual percent is 1%. C The test provides convincing evidence that the percent is less than 2%, but the…A car manufacturer claims that its latest model can average 60 miles per gallon on the highway - and an auto magazine's editor wants to put that claim to the test. (a) Write the null hypothesis for this situation. (b) Write the alternate hypothesis, if the editor wants to prove that the actual miles per gallon is lower than what's being claimed. (c) Write the alternate hypothesis, if the editor wants to prove that the actual miles per gallon is simply different from what's being claimed.7. A manufacturer of balloons claims that p, the proportion of its balloons that burst when inflated to a diameter of up to 12 inches, is no more than 0.05. Some customers have complained that the balloons are bursting more frequently, If the customers want to conduct an experiment to test the manufacturer’s claim, which of the following hypotheses would be appropriate? (A) H0 : p ≠ 0.05, Ha : p = 0.05 (C) H0 : p = 0.05, Ha : p ≠ 0.05 (B) H0 : p = 0.05, Ha : p > 0.05 (D) H0 : p = 0.05, Ha : p < 0.05 If you feel the answer is none of the choices given, submit no answer to the question
- The average life expectancy of tires produced by the Whitney Tire Company has been 40,000 miles. Management believes that due to a new production process, the life expectancy of its tires has increased. In order to test the validity of this belief, the correct set of hypotheses is a. H 0: μ ≥ 40,000 H a: μ < 40,000 b. H 0: μ ≤ 40,000 H a: μ > 40,000 c. H 0: μ < 40,000 H a: μ ≥ 40,000 d. H 0: μ > 40,000 H a: μ ≤ 40,000For each of the following scenarios, state the null and alternative hypotheses. Scenario A: You read in a report that preschool-aged children have on average 5.2 books at home. You are concerned that children in your community have fewer books.Determine the null and alternative hypotheses based on the following: Historically, the time to order and deliver a pizza at Jimbo’s pizza was 48 minutes. Jim, the owner, implements a new system for ordering and delivering pizzas that he believes will reduce the time required to get a pizza to his customers.
- The average American consumes 8.6 liters of alcohol per year. Does the average college student consume less alcohol per year? State your null and alternative hypothesis H0:H0: ? μ p Select an answer < > = ≠ Ha:Ha: ? μ p Select an answer ≠ > = <A researcher believes that more than half of college students average less than 6 hours of sleep per night during the week. Suppose she collected data to test her belief and found a p-value < 0.0001. Fill in the information for her hypothesis test below. Identify the null and alternative hypotheses: a. H0: μ = 6 H1: μf < 6 b. H0: μ = 0.5 H1: μ < 0.05 c. H0: p = 6 H1: p < 6 d. H0: p = 0.05 H1: pp < 0.05For the situation, formulate the appropriate null and alternative hypotheses H0 and Ha.