Q8)Galvanized Valves are used in making of a dishwasher. Wehave eight valves in order to make a dishwasher, but only twovalves are required.In how many ways can these valves beselected such that the order does not matter?

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Answered: Q8)Galvanized Valves are used in making…

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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MAKE SURE YOU SELECT 2 ANSWERS FOR THIS QUESTION - Type of test and hypothesis. Professor Ratzo wonders if rats will run a maze faster for some kinds of foods than for others. He randomly assigns 30 rats to one of three conditions, 10 rats to each condition. Group 1 gets buttered bread at the end of the maze, Group 2 gets cheddar cheese, and Group 3 gets honey- glazed ham. The number of seconds each rat took to run the maze is recorded. The hypothesis is that type of food makes a difference in rat running time. Choose the type of test you should use to test this hypothesis? Then choose the correct hypotheses in symbol notation (or words if symbol is not appropriate). Z-test O single sample t-test dependent t-test independent t-test Pearson correlation t-test ANOVA Chi-Square Goodness of Fit Test O Chi-Square Test of Independence O Ho: µ1 - P2 = 0 H1: P1 - P2 # 0 O Ho: H1 - P2 <0
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Q8)Galvanized Valves are used in making of a dishwasher. We have eight valves in order to make a dishwasher, but only two valves are required.In how many ways can these valves be selected such that the order does not matter?