Please answer this State the null and alternative hypothesis to be used in testing the following claims and determinegenerally where the critical region is located:1. The mean snowfall at Lake George during the month of February is 21.8 centimeters.2. No more than 20% of the faculty at the University of Mindanao contributed to the annual givingfund.3. On the average, children attend schools within 6.2 kilometers of their homes in suburban DavaoCity.4. At least 70% of next year's new cars will be in the compact and subcompact category.5. The proportion of voters favoring the incumbent in the upcoming election is 0.58

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Answered: State the null and alternative…

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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As a result of complaints from customers about delivery times, the manager at a pizza delivery service is ready to undertake a study to determine whether the average delivery time differs from the status quo of 30 minutes. State the null and alternative hypotheses.
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.
At the 5% significance level, does it appear that price of bus trips per week, population or average rate to park your personal vehicle can be removed from the model as unnecessary? In responding, construct and test any appropriate hypothesis.
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.
Use the method of hypothesis testing to determine if Ryan should conclude his saplings are growing. Take a 5% significance level.
a) Genenesis Dispensary is contemplating of opening a new branch in Mwanza. If the medical for medical service is favourable, Genesis could realize a net profit of Tsh.100 million. On the other hand, if the market turn out to be unfavourable, it can end up losing Tsh. 40 million. Of course, Genesis may opt not to persue this option of expanding its operations. In the absence of data from which to base its decision, te best guess for Gensis is equally likely that the dispensary will either be successful or unsuccessful Required: i) Use the decison tree approach, what decison should Genesis Dispensary take b) Market research firm named, Easy Market Access approach Genesis with an offer to undertake a study of Mwanza medical service market at a fee of Tsh. 5 million. Easy Market Access claims that their experience enables them to use Bayes’ Theoremn to make the following statements about different state of the market: ▪ Provide that the study is favourable, the probability of favourable…
Did the ductility of the wire change after soaking it to an acid solution? Infer from the data below: Ductility before soaking Ductility after soaking 2563 2405 2564 2406 2565 2407 2566 2408 2567 2409 2452 2693 2453 2694 2454 2695 2455 2696 2456 2697 2634 2589 2635 2590 2636 2591 2637 2592 1.) Create a null and alternative hypothesis 2.) Is there a significant change before and after soaking? Prove it using computations
Consider the following hypothesis test: Claim: σ < 9Sample Size: n = 30 Significance Level: α = 0.10 Enter the smallest critical value. (Round your answer to nearest thousandth.)
write out the null and alternative hypothesis and the distribution of the test statistic used to address these questions. 1.) Do a majority of engines last 300000 miles? 2 .) Is the variability in trading price of Fund A similar to that of the Fund B? 3.) Are casino customer earnings in Vegas atleast as much as those of New Jersey? 4.) The mean consumption of water per household in a city was 1245 cubic feet last month. Due to a water shortage, the city council campaigned for water use conservation by households. Based solely on sample data, was the campaign successful?
If the proportion of the population in City A that is over 65 years old is p1 and the proportion of the population in City B that is over 65 years old is p2, what is the null hypothesis for a test to determine if the proportion of the population that is over 65 years old is greater in City A? Select the correct answer below: H0: p1−p2=0 H0: p1−p2>0 H0: p1−p2<0 H0: p1−p2≠0
Consider the following sample observations on stabilized viscosity of asphalt specimens. 2,762 2,907 3,012 2,813 2,876 Suppose that for a particular application, it is required that true average viscosity be 3,000. Does this requirement appear to have been satisfied? State the appropriate hypotheses. (Use ? = 0.05.) H0: ? > 3,000 Ha: ? < 3,000 H0: ? = 3,000 Ha: ? ≠ 3,000 H0: ? ≠ 3,000 Ha: ? = 3,000 H0: ? < 3,000 Ha: ? = 3,000 Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to three decimal places.) t = P-value = What can you conclude? Reject the null hypothesis. There is sufficient evidence to conclude that the true average is viscosity differs from 3000.Do not reject the null hypothesis. There is sufficient evidence to conclude that the true average is viscosity differs from 3000. Reject the null hypothesis. There is not sufficient evidence to conclude that…
As a result of complaints from customers about delivery times, the manager at a pizza delivery service is ready to undertake a study to determine the average delivery time. Until now, the manager has believed the delivery time was 20 minutes. Question content area bottom Part 1 What are the null and alternative hypotheses? H0: ▼ Upper X overbarX sigmaσ ss betaβ muμ alphaα ▼ equals= not equals≠ enter your response here H1: ▼ sigmaσ alphaα ss Upper X overbarX betaβ muμ ▼ equals= not equals≠ enter your response here

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