A sample of residents of Santa Monica were asked two questions, whether they had taken acourse at Santa Monica College and what type of job they had or hoped to have. Theirresponses are summarized in the two-way data table below.Tech Industry Health CareJobBusiness/Finance OtherJobJobCategoryHas taken a5310493class at SMC69Has not takena class atSMC822838151Use the table to answer the following questions,a. What is the probability that a randomly chosen person has not taken a class at SMC andanswered health care job. [Select]b. What is the probability that a randomly chosen person has taken a class at SMC oranswered Tech Industry Job? I Selectc. Would it be unusual for a person to have not taken a class at SMC and answered healthcare job? Why or why not? ( Select]

A sample of residents of Santa Monica were asked two questions, whether they had taken a course at…

Answered: A sample of residents of Santa Monica…

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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The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was “What do you think are the chances you will be married in the next 10 years?” Here is a two-way table of the responses by gender: Opinion Female Male Almost no chance 103 94 Some chance but probably not 146 175 A 50-50 chance 428 522 A good chance 738 691 Almost certain 1170 776 How many individuals are described in this table? How many females were among the respondents? The percent of females among the respondents was about %. Your percent from the previous exercise is part of the marginal distribution of sex. the conditional distribution of sex among adolescents with a given opinion. the marginal distribution of opinion about marriage. What percent of females thought that they were almost certain to be married in the next 10 years?% Your percent from the previous exercise is part of the conditional distribution of sex among…
The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was “What do you think are the chances you will be married in the next 10 years?” Here is a two-way table of the responses by gender: Opinion Female Male Almost no chance 120 93 Some chance but probably not 149 167 A 50-50 chance 462 511 A good chance 746 704 Almost certain 1192 758 How many individuals are described in this table? How many females were among the respondents? The percent of females among the respondents was about %. Your percent from the previous exercise is part of the marginal distribution of opinion about marriage. the conditional distribution of sex among adolescents with a given opinion. the marginal distribution of sex. What percent of females thought that they were almost certain to be married in the next 10 years?% Your percent from the previous exercise is part of the conditional distribution of opinion…
Which one of the following histograms could represent a distribution of salaries paid at a financial company with many low level analysts, few top-ranking employees, and one CEO? Om OM 01
The following table shows the distribution of employees in an organization. Martha Foreman, an analyst, wants to see if race has a bearing on the position a person holds with this company. Seniority Race Coordinator Analyst Manager Director White 32 10 29 9 Black 39 11 17 12 Hispanic 34 16 17 10 Asian 8 21 17 Assuming that race and seniority are independent, which of the following is the expected frequency of Asian directors?
The following data represents the number of rooms in a random sample of U.S. housing units. Rooms Frequency. One Two 11 Three 88 183 230 Four Five Six 204 Seven Eight or more 123 156
Suppose a random sample of 880 athletes from the college are asked what their major is. The table below shows the results of the survey. Observed Frequencies of Majors from the Sample Outcome Observed Frequency Math/Science 234 Arts & Humanities 240 Business & Economics 132 Other 274 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Outcome Expected Percent Expected Frequency Math/Science 31 Arts & Humanities 19 Business & Economics 30 Other 20
The following two-by-two table was created from the data. WAKE UP DURING THE NIGHT GENDER Yes No TOTAL Female 125 25 150 Male 91 30 121 TOTAL 216 55 271 What is the risk (probability) of waking up during the night if you are a female? What is the risk (probability) of waking up during the night if you are a male? What is the relative risk (risk ratio) of waking up during the night if you are a female as compared to a male? State your finding in plain language:
Four scenarios of statistical studies are given below. Decide which study uses a population parameter. Answer O Lakeside Family Dentistry reported that 6 of the 15 patients who came in for a regular cleaning one day had at least one cavity. O As part of her senior project, Kaisa asked 84 of her classmates if they voted in the last presidential election. 39 said yes. O of 351 dog owners who were surveyed, 70 reported owning two dogs. The average finish time for the Ironman, Kona was 11:32 for the 1883 finishers, with an average swim time of 1:14, an average bike time time of 4:14.
Suppose a random sample of 968 athletes from the college are asked what their major is. The table below shows the results of the survey. Observed Frequencies of Majors from the Sample Observed Frequency Outcome Math/Science 225 Arts & Humanities 247 Business & Economics 251 Other 245 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Expected Percent Outcome Expected Frequency Math/Science 20 Arts & 25 Humanities Business & 25 Economics Other 30
Need d,e,f,g
Suppose a random sample of 824 athletes from the college are asked what their major is. The table below shows the results of the survey. Observed Frequencies of Majors from the Sample Outcome Observed Frequency Math/Science 185 Arts & Humanities 206 Business & Economics 264 Other 169 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Outcome Expected Percent Expected Frequency Math/Science 24 Arts & Humanities 22 Business & Economics 21 Other 33
What percent of females thought that they were almost certain to be married in the next 10 years?

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