Formulate the null and alternate hypotheses for the following situations. (identify the correct number ?0 and write ?0: ? = ?0 and the appropriate analogous expression for ?1). - Historically, the average July temperature in a region has been 24°C. Maybe this temperature is higher now. - The average rate for a hotel room in a given region is $87,500. A travel agent believes that the average in a particular tourist area is different

Formulate the null and alternate hypotheses for the following situations. (identify the correct number ?0 and write ?0: ? = ?0 and the appropriate analogous expression for ?1). - Historically, the average July temperature in a region has been 24°C. Maybe this temperature is higher now. - The average rate for a hotel room in a given region is $87,500. A travel agent believes that the average in a particular tourist area is different

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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State the null and alternative hypotheses for each of the following situations. (That is, identify the correct number μο and write to : μ analogous expression for Ha) Ao and the appropriate d. The average yield per acre for all types of corn in a recent year was 161.9 bushels. An economist believes that the average yield per acre is different this year. e. An industry association asserts that the average age of all self-described fly fishermen is 42.8 years. A sociologist suspects that it is higher.
Formulate the null and alternate hypotheses for the following situations. (That is, identify the correct number ?0 and write ?0: ? = ?0 and the appropriate analogous expression for ?1). - A statistics instructor believes that less than 20% of the students attended the opening function of a film. He surveys 84 of his students and finds that 11 attended the function.
For the following conjecture, state the null and alternative hypotheses. The average age of community college students is 24.6 years. The null hypothesis is:The alternative hypothesis is:
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State the null and alternative hypotheses to be used in testing the following claims also explain type of test.(a) At most, 20% of next year’s wheat crop will be exported to the Soviet Union.(b) On the average, American homemakers drink 3 cups of coffee per day.(c) The proportion of college graduates in Virginia this year who majored in the social sciences is at least 0.15.(d) The average donation to the American Lung Association is no more than $10.(e) Residents in suburban Richmond commute, on the average, 15 kilometers to their place of employment
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Write the null and alternative hypotheses in words and then symbols for each of the following situations.Since 2008, chain restaurants in California have been required to display calorie counts of each menu item. Prior to menus displaying calorie counts, the average calorie intake of diners at a restaurant was 1100 calories. After calorie counts started to be displayed on menus, a nutritionist collected data on the number of calories consumed at this restaurant from a random sample of diners. Do these data provide convincing evidence of a difference in the average calorie intake of diners at this restaurant? In symbols, the hypotheses are: __Ho: μ = 1100Ha: μ < 1100 __Ho: μ < 1100Ha: μ = 1100 __Ho: μ = 1100Ha: μ ≠ 1100 __Ho: μ = 1100Ha: μ = 1100
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For each of the following pairs of null and alternative hypotheses, determine whether the pair would be appropriate for a hypothesis test. If inappropriate, explain why: H0: π = 0.2 , HA : π≠ 0.2 H0 : μ > 60, HA : μ ≤60 H0 : μ ≥75, HA : μ < 80 H0: p = 0.45 , HA : p≠ 0.45
Formulate the null and alternate hypotheses for the following situations. (identify the correct number ?0 and write ?0: ? = ?0 and the appropriate analogous expression for ?1).- The average farm size in a predominantly rural state was 280,851.8 square meter. The secretary of agriculture of that state assures that today it is less. - A statistics instructor believes that less than 20% of the students attended the opening function of a film. He surveys 84 of his students and finds that 11 attended the function.
1. What is wrong with the following hypotheses? H0:x¯=100 vs. Ha:x¯<100 2. What is wrong with the following hypotheses? H0:p^=0.5 vs. Ha:p^≠0.5
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