5) A hair salon completed a survey of 347 costumers about satisfaction with service(Dissatisfied, Neutral, Satisfied, or Very Satisfied) and type of costumer (Walk-in, Saw a TV-ad,or Referred). The results follow:Dissatisfied (D)Neutral (N)Satisfied (5)Very Satisfied (VS)Column TotalWalk-in (WI)2121263199b) Referred P (R) =TV Ad (TV)7224135105Referred (R)2366144143Row Total3079128110.347The table represents the entire population of costumers. Find the probability that a costumer isa) Dissatisfied P (D) =c) Dissatisfied and Walk-in P (D and WI) =d) Very Satisfied or Saw TV ad P (VS or TV) =

(a) Obtain the probability of P(D). The probability of P(D) is obtained below as follows: From…

Answered: 5) A hair salon completed a survey of…

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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Similar questions

A research firm reported that 15% of those surveyed described their health as poor, 26% as good, 40% as very good, and 19% as excellent. A health professional in Chicago wanted to determine if people in Chicago had similar feelings toward their health. In a sample of 610 people in Chicago, 70 described their health as poor, 180 as good, 220 as very good, and 140 as excellent. Compute the test value.
2. A researcher wants to measure the job satisfaction levels of the employees of two fast food company located in Manila. The researcher has used a questionnaire consisting of ten questions related to job satisfaction levels of the employees. The researcher has used a rating scale from 1 to 4 where 1 is the lowest score and 4 is the highest score. So, a maximum score of 40 and a minimum score of 10 can be obtained. The researcher has randomly selected 15 employees from the first company and 17 employees from the second company. The scores obtained from these employees are given below: First Company: 32 40 31 33 32 30 30 32 31 32 34 32 38 32 28 Second Company: 25 28 23 27 24 26 27 22 25 26 34 25 23 22 29 27 24 Taking 5% as the alpha level, examine the significant difference in terms of job satisfaction level between the employees of the two companies.
Decide whether to reject or fail to reject the null hypothesis. Z (right - tailed test), a = 0.05 Zcomputed = 1.42
A college radio station surveyed incoming freshmen to gather information about the types of music that they like. Here are the results. .624 incoming freshmen were surveyed in all .346 of the freshmen like jazz . 138 of the freshmen like both jazz and classical, but don't like rap • 61 of the freshmen like both jazz and rap, but don't like classical . 103 of the freshmen like rap, but like neither jazz nor classical . 114 of the freshmen like jazz, but like neither rap nor classical . 34 of the freshmen like classical, but like neither jazz nor rap . 575 of the freshmen like at least one of these three types of music (jazz, rap, classical) Construct a Venn diagram illustrating these results. Then answer the question. All freshmen in the survey Like jazz 49 Like classical Like rap How many of the freshmen like rap? freshmen X Ś
The following table is based on information from the U.S. Census Bureau regarding the type of health insurance coverage of people by age in the year 2006: Health Insurance Coverage Age <18 (A) 18-44 (B) 45-64 (C) >64 (D) Private (P) 353 545 382 185 Government (G) 202 115 105 315 None (N) 85 260 109 35 Find P(C or A)
Matt E. Matic was applying for a job. To determine whether he could handle the job, the personnel manager sent him out to poll 100 people about their favorite types of TV shows. His data were as follows. 57 preferred comedies. 40 preferred variety shows. 42 preferred serious drama. 17 preferred comedies and variety programs. 15 preferred variety and serious drama. 18 preferred comedies and serious drama. 8 preferred all types. 5 did not like any of these TV show types. If you were the personnel manager, would you hire Matt on the basis of this survey? Why or why not?

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