A survey asked 850 respondents about their highest levels of completed education. The results are given in the table below.If a respondent from the survey is selected at random, compute the probability that the respondent has a Ph.D. or professional degree. (Enter the probability as a fraction.)Education completedNo high school diplomaHigh school diplomaAssociate's degree ortwo years of collegeBachelor's degreeMaster's degreePh.D. or professional degreeNumber ofrespondents522342741876736

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Answered: A survey asked 850 respondents about…

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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For Exercise, use the data in the table categorizing smokers and nonsmokers according to their blood pressure (BP) levels. If one person is chosen at random, find the probability of the given event. Elevated BP 28 Normal BP 42 Total 70 Smokers Nonsmokers Total 80 10 90 122 38 160 The person has elevated blood pressure.
WINDO In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two respondents were from the same household.) Among the respondents, 208 answered "none," 285 said "one," 361 said "two," 140 said "three," and 56 responded with four or more. A survey respondent is selected at random. Find the probability that his/her household has four or more cell phones in use. Is it unlikely for a household to have four or more cell phones in use? Consider an event to be unlikely if its probability is less than or equal to 0.05. P(four or more cell phones) = (Round to three decimal places as needed.) M
33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 39 college students are randomly selected, find the probability that d. Between 7 and 12 (including 7 and 12) of them major in STEM.
The table below shows the results of a survey that asked 1058 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Support Oppose Unsure Total Males 153 333 9 495 Females 230 303 30 563 Total 383 636 39 1058 Find the probability that the person is not unsure or is female. P(is not unsure or is female)=
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1. Use this table for the following questions: Female Male TotalShort Hair 20 40 60 Long Hair 30 10 40 Total 50 50 100 a. Complete a total probability table.b. Complete a row probability tablec. Complete a column probability table.d. The probability that a student does not have long hair. _________e. The probability that a student is male or has short hair. ________f. The probability that a student is a female and has long hair. _________g. The probability that a student is male, given that the student has long hair. _________h. The probability that a student has long hair, given that the student is male. _________i. Of all the female students, the probability that a student has short hair. ________j. Of all students with long hair, the probability that a student is female. _________k. The probability that a student is female or has long hair.…
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A survey asked 850 respondents about their highest levels of completed education. The results are given in the table below. If a respondent from the survey is selected at random, compute the probability that the respondent has a high school diploma (but not more). (Enter the probability as a fraction.) Education completed No high school diploma High school diploma Associate's degree or two years of college Bachelor's degree Master's degree Ph.D. or professional degree Number of respondents 52 234 274 187 67 36

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