A university department is reviewing the delivery methods it uses to teach and assess. It decides to undertake a series of controlled tests to assess the suitability of a particular method of delivery before implementing the new method. To test the hypothesis that the proposed method improves performance, the department randomly placed four students into three different groups, in which each student will experience one method of delivery only, and all sessions are taught by the same lecturer to reduce lecturer bias. The marks of the students are shown in the following table: STUDENT LECTURE IWORKSHOR WORKSHOR AND

A university department is reviewing the delivery methods it uses to teach and assess. It decides to undertake a series of controlled tests to assess the suitability of a particular method of delivery before implementing the new method. To test the hypothesis that the proposed method improves performance, the department randomly placed four students into three different groups, in which each student will experience one method of delivery only, and all sessions are taught by the same lecturer to reduce lecturer bias. The marks of the students are shown in the following table: STUDENT LECTURE IWORKSHOR WORKSHOR AND

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Description: A university department is reviewing the delivery methods it uses to teach and assess. It decidesto undertake a series of controlled tests to assess the suitability of a particular method of deliverybefore implementing the new method. To test the hy

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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Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go") so it can make decisions regarding the possible construction of in-store play areas, the attendance of its mascot Sammy at the franchise locations, and so on. Anita's reports that 45% of its customers order their food to go. Suppose that this proportion is correct and that a random sample of 50 individual customers is taken. Answer the following. (If necessary, consult a list of formulas.) (a) Estimate the number of customers in the sample who order their food to go by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response. (b) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
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