3. State or specify the null and alternative hypotheses in the following (use complete statements, not symbols): f. A COA auditor wants to determine if the mean monthly "ayuda" to poor Dagupan residents during the pandemic is really P5,000 as published. a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha: g. In an experimental group of 250 individuals, half were given regular doses of aspirin while the other half were given placebos with no effects. Test the claim that the aspirin group has a significantly lower heart attack rate than the placebo group. a. Null Hypothesis, Hu: b. Alternative Hypothesis, Ha: h. Is there a significant difference in the level of audit practice of accountants in terms of type of corporation, whether privately-owned or government-owned? a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha: i. Are there significant differences in the degree of influence encountered by the employees when grouped according to status of appointment, whether contractual or permanent? a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha:

3. State or specify the null and alternative hypotheses in the following (use complete statements, not symbols): f. A COA auditor wants to determine if the mean monthly "ayuda" to poor Dagupan residents during the pandemic is really P5,000 as published. a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha: g. In an experimental group of 250 individuals, half were given regular doses of aspirin while the other half were given placebos with no effects. Test the claim that the aspirin group has a significantly lower heart attack rate than the placebo group. a. Null Hypothesis, Hu: b. Alternative Hypothesis, Ha: h. Is there a significant difference in the level of audit practice of accountants in terms of type of corporation, whether privately-owned or government-owned? a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha: i. Are there significant differences in the degree of influence encountered by the employees when grouped according to status of appointment, whether contractual or permanent? a. Null Hypothesis, Ho: b. Alternative Hypothesis, Ha:

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Similar questions

A researcher thinks that the mean starting salary for San Jose State University graduates is under $100,000 per year. Choose the correct null and alternate hypotheses below. a. H0: μ < 100,000; H1: μ ≥ 100,000 b. H0: μ ≠ 100,000; H1: μ =100,000 c. H0: μ ≥ 100,000; H1: μ < 100,000 d. H0: μ = 100,000; H1: μ ≠ 100,000
1. Write the null and alternative hypotheses for each of the following examples. Determine if each is a case of a two-tail, an upper-tail, or a lower-tail test. a)To test if the mean number of hours spent working per week by college students who hold jobs is different from 20 hours. b)To test whether or not a bank’s ATM is out of service for an average of more than 10 hours per month. c)To test if the mean length of experience of airport security guards is different from 3 years. d)To test if the mean credit card debt of college seniors is less than $1000. e)To test if the mean time a customer has to wait on the phone to speak to a representative of a mail-order company about unsatisfactory service is more than 12 minutes. 2. A study claims that all adults spend an average of 14 hours or more on chores during a weekend. A researcher wanted to check if this claim is true. A random sample of 200 adults taken by this researcher showed that these adults spend an average of 14.45 hours…
State the null and the alternative hypotheses of the following statements. 1. A car dealership announces that the mean time for an oil change is less than 15 minutes.2. A company advertises that the mean life of its furnaces is more than 18 years.3. A consumer analyst reports that the mean life of a certain type of automobile battery is not 74 months.4. A transportation network company claims that the mean travel time between two destinations is about 16 minutes.
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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, what is the correct set of hypotheses.
The mean repair bill of cars is greater than $110. A) Write the null and alternative hypotheses. B) Indicate whether the hypothesis is left,right, or two- tailed.
4... State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test each of the following claims. (a) The mean weight of honeybees is at least 11 grams. Ho: ? ---Select--- equal to greater than less than not equal to 11 Ha: ? ---Select--- equal to greater than less than not equal to 11 (b) The mean age of patients at Memorial Hospital is no more than 54 years. Ho: u ---Select--- equal to greater than less than not equal to 54 Ha: u ---Select--- equal to greater than less than not equal to 54 (c) The mean amount of salt in granola snack bars is 75 mg. Ho: u ---Select--- equal to greater than less than not equal to 75 Ha: u ---Select--- equal to greater than less than not equal to 75
The average monthly rent for one-bedroom apartments in Sampaloc, Manila has been P10,000. Because of the downturn in the real estate market, it is believed that there has been a decrease in the average rental. The correct hypotheses to be tested are H0: μ < 10,000 Ha: μ ≥ 10.000. H0: μ ≥ 10,000 Ha: μ < 10,000 H0: μ > 10,000 Ha: μ ≤ 10,000. H0: μ = 10,000 Ha: μ ≠ 10,000.