QUESTION 2A production facility employs 18 workers on shift A, 15 workers on the shift B, and 12 workers on the shift C. A quality control consultant will conduct in-depth interviews with 8 of these workers.Those interviewed are randomly selected from the population of 45 workers at the facility.Which of the following is the way to count how many different groupings of 8 workers can be selected for interviews so that 4 are from the shift A, 2 are from the shift B, and 2 are from the shift C?O A. C45OB. C18+ C15+C12OC.C1xc15x12OD. C45-C18-C15-C12

Given that Total number of workers =45. The number of randomly selected workers =8 4 from group A ,…

Answered: QUESTION 2 A production facility…

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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A report describes a survey of 251 adult Americans. Participants in the survey were asked how often they disinfect their phone and were asked to respond with one of the following categories: more than once a week, once a week, every other, week, every three weeks, or less often than every three weeks. For this group, 9% responded more than once a week, 52% responded once a week, 26% responded every other week, 6% responded every three weeks, and 7% responded less often than every three weeks. Fill in the table below with the relative frequency distributions. How Often? Relative Frequency More than once a week Once a week Every other week Every three weeks Less often than every three weeks
Suppose a researcher is interested in examining the relationship between a person's gender and whether he or she likes the taste of Vegemite (a dark- brown food paste, made from yeast, that is popular in Australia). She collects a sample of n = 10 people and asks them whether they like the taste of Vegemite. The following table summarizes the results. Male Female Does Not Like the Taste of Vegemite 4 1 Likes the Taste of Vegemite 2 3 The researcher wants to calculate the correlation between a person's gender and whether he or she likes the taste of Vegemite. To do so, the researcher first creates a table of the data by converting each variable to a numerical value. She assigns 0 to "male" and 1 to "female." She then assigns 0 to "does not like the taste of Vegemite" and 1 to "likes the taste of Vegemite."
Ex 1: A production facility employs 20 workers on the day shift, 15 workers on the swing shift, and 10 workers on the graveyard shift. A quality control consultant is to select 6 of these workers for in-depth interviews. Suppose the selection is made in such a way that any particular group of 6 workers has the same chance of being selected as does any other group (drawing 6 slips without replacement from among 45).
To evaluate the current status of physical activity in university students at BU, a student in Business surveyed students from their class by randomly selecting 12 rows and collecting data one 2 people from each of the selected rows. The question asked: "How many hours per week do you exercise?" What is the sample? O Students in Business at BU. O The 24 surveyed students. O Students at BU Everyone at BU. ONone of the above.

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