A large operator of timeshare complexes requires anyone interested in making a purchase to first visit the site of interest. Historical data indicates that 20% of all potential purchasers select a dayvisit, 50% choose a one-night visit, and 30% opt for a two-night visit. In addition, 40% of day visitors ultimately make a purchase, 50% of one-night visitors buy a unit, and 50% of those visiting fortwo nights decide to buy. Suppose a visitor is randomly selected and is found to have made a purchase. How likely is it that this person made a day visit? (Round your answer to three decimal places.)0.50How likely is it that this person made a one-night visit? (Round your answer to three decimal places.)How likely is it that this person made a two-night visit? (Round your answer to three decimal places.)

Given: PA=0.20PB=0.50PC=0.30PE|A=0.40PE|B=0.50PE|C=0.50 where the events, A: day visit B: one-night…

Answered: A large operator of timeshare complexes…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose you are a production manager for a small firm that manufactures designer phone cases. Your production facility utilizes three machines. Quality is binary — each phone case is either defective or it is not defective. Each hour, Machines 1, 2, and 3 produce 10, 10 and 20 phone cases, respectively. But because the machines differ slightly in their technology, data on past production has shown that they differ in terms of their rates of defective output — specifically, Machines 1, 2, and 3 have rates of defective production of 2%, 4%, and 5%, respectively. If one phone case is selected randomly from one hour’s total output, and that phone case is found to be defective, what is the probability that it was produced by Machine 1? Machine 2? Machine 3?
It is known that in any given year, • 90% of the people in a city move to the suburbs; • 80% of the people in the suburbs do not move to the city. Given an initial city population of 55,000 and an initial suburb population of 77,000, what are the long-term population levels of the city and the suburb?
a) The analysts’ stock recommendations are of considerable interest to investors. A study looking at the subsequent performance of new buy and sell recommendations by analysts over a period of time found the following results: Successful Unsuccessful New Buy 957 1233 New Sell 503 221 Note: A buy recommendation is ‘successful’ if the stock outperforms the benchmark by at least 4% over the next year. A sell recommendation is ‘successful’ if the stock underperforms the benchmark by at least 2% over the next year. (iii) What is the probability that a chosen recommendation is either a new buy or successful?
ch 15 end. 1: The shares of the U.S. automobile market held in 1990 by General Motors, Japanese manufacturers, Ford, Chrysler, and other manufacturers were, respectively, 34%, 28%, 20%, 13%, and 5%. Suppose that a new survey of 1,000 new-car buyers shows the following purchase frequencies:
a) The analysts’ stock recommendations are of considerable interest to investors. A study looking at the subsequent performance of new buy and sell recommendations by analysts over a period of time found the following results: Successful Unsuccessful New Buy 957 1233 New Sell 503 221 Note: A buy recommendation is ‘successful’ if the stock outperforms the benchmark by at least 4% over the next year. A sell recommendation is ‘successful’ if the stock underperforms the benchmark by at least 2% over the next year. (iv) What is the probability of choosing a successful stock, given a new buy recommendation?
A gerontologist investigating various aspects of aging process wanted to see whether staying “ lean and mean, “ that is, being under normal body inbred line to one of three diets: (1) unlimited access to food, (2) 90% of the amount of food that a rat of size would normally eat, or (3) 80% of amount of food that a rat of the size would normally eat. She maintained the rats on three diets throughout their lives and recorded their lifespans (in years). Five rates in each group. Is there evidence that diet affected life span in this study? Let α= 0.01 Complete the ANOVA table . Source of variation df SS MS Fc Treatment 2 1.575 Error 12 Total 14 5.60 A) Hypothesis Test H0: H1: B) Test Statistic C) Decision Rule d) Conclusion *(please with equations and explanation) and thamnk you
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 52% of its customers order their food to go. Suppose that this proportion is correct and that a random sample of 40 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. acer DII %23 $4 @ 3. 2 t r e tab f d

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