According to the most recent data, 9.5% of engineers (electrical, mechanical, civil, and industrial) were women. Suppose a random sample of 75 engineersa. How likely is it that a random sample of 75 people will contain 9 or more women in these positions?b. How likely is it that the random sample will contain fewer than 5 women in these positions?c. If the random sample included 150 engineers, how would this change your answer to part b?a. The probability of getting a sample of 75 with 9 or more women is.(Round to four decimal places as needed.)selected.

Population proportion is p=0.095 . Sample size is n=75 .

Answered: According to the most recent data, 9.5%…

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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31. You want to survey twenty of the 150 ninth graders to get their opinion on the school's new schedule. Which of the following methods is most likely to lead to a sample that is the most representative of the 150 ninth graders? A Choose 20 ninth graders from your first period class. Choose the first 20 ninth graders from a alphabetical list. C. Select 20 students at random from the ninth grade. D. Select 5 students at random from each of ninth, tenth, eleventh and twelfth grade. hp 大 %23 0% B.
A survey was taken on course selection and gender. The results are represented in the table below. Вoys Girls TOTAL Band 27 17 44 Team Sports 64 46 110 Neither 13 9 22 ΤΟTAL 104 72 176 What percentage of those surveyed are boys AND taking Team Sports? Round to the nearest percent. % are boys and taking team sports.
The following are the scores of 8 students each in a 25-item mathematics quiz administered in two sections of a certain University in Pangasinan. Section A: 18, 19, 20, 15, 22, 13, 18, 12 Section B: 19, 24, 11, 10, 17, 16, 25, 15 What conclusions can you make on these scores?
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According to research, 55% of millennials (those born between 1981 and 1997) reported using a library or bookmobile within the last year. Suppose that a random sample of 200 millennials is taken. Complete parts a and b below. Since 195 is a. Complete this sentence: We would expect We would expect 110 of the sample to have used a library or bookmobile within the last year, give or take (Round to the nearest integer as needed.) b. Would it be surprising to find that 195 of the sample have used a library or bookmobile within the last year? Why or why not? be surprising. ▼than 2 of the sample to have used a library or bookmobile within the last year, give or take 1. from the it
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3. The director of library services at Fairmont College did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 4217 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area % Books in Circ Library on this Subject No. of Books in the Sample on this Subject Business 32% 1210 Humanities 25% 956 Natural Science 20% 940 Social Science 15% 814 Other Subject 8% 297 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students.
1. After graduation ceremonies at a university, six graduates were asked whether they were in favor of (identified by 1) or against (identified by 0) the legalization of divorce in the country. Some information about these graduates is shown below. Graduate Gender Age Divorce Issue Class Rank Anna F 22 1 1 Ben M 20 1 2 Carmela F 31 0 3 Don M 27 0 20 Erica F 23 1 4 Floyd M 25 1 8 1. How many respondents are there in the data set? 2. How many variables are there in the data set? 3. How many observations are there in the data set? 4. Which of the above variables (Gender, Age, Divorce Issue, Class rank) are qualitative and which are quantitative variables? 5. Are arithmetic operations appropriate for the variable "divorce issue"? Why or why not?
Please answer part a-d with correct answer.

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