90 customers purchased a dog product;92 customers purchased a cat product;21 customers purchased a fish product;22 customers purchased a dog and a cat product;9 customers purchased a dog and a fish product;8 customers purchased a cat and a fish product;5 customers purchased a dog, a cat, and a fish product;30 customers purchased a product for a pet other than a dog, a cat, or a fish.oforegar aonly? (a) How many purchases were for a dog product only?purchases(Type a whole number.)(b) How many purchases were for a cat product only?purchases(Type a whole number.)(c) How many purchases were for a dog or fish product?Lpurchases(Type a whole number.)(d) How many purchases were there in total?|purchases(Type a whole number.)

Since you have asked a question with multiple subparts, we will solve the first three subparts for…

Answered: ners pu ud 6g 92 customers purchased a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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We are interested in looking at the effect of a baseball player’s free agent status on their salary. We look at 337 baseball players and categorize them as either having a high salary (above 2 million) or not, and as either being free agents or not. ------------------------------------- You also wonder if having a high batting average affects the salary of baseball players. You classify all 370 baseball players as having a high batting average if it is over .300. 1. What are the variables you are looking at? What are the possible categories within each variable? Which is the explanatory, and which is the response? 2. If we want to perform a χ2 test to see if there is a relationship between the two variables, what is our null and alternative hypothesis?
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A report in the college newsletter used the registrar's database for all the students in the school to look at majors and classes being taken this semester. The report includes the sentences:
3. A survey of 1,035 tourists visiting Orlando was taken. Of those surveyed: 255 tourists had visited LEGOLAND 270 tourists had visited Universal Studios 82 tourists had visited both the Magic Kingdom and LEGOLAND 65 tourists had visited both the Magic Kingdom and Universal Studios 90 tourists had visited both LEGOLAND and Universal Studios 23 tourists had visited all three theme parks 86 tourists did not visit any of these theme parks How many tourists only visited the Magic Kingdom (of these three)?
EVALUATE THE FOLLOWING: (combination) 1. C(5,5) 2. C(5,4) 3. C(5,1) 4. P(5,5) / C(5,5) 5. P(4,3) + C(4,2) 6. C(5,3) / C(5,2) 7. C(5,5) – C(4,4)

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