A study of interior designers' opinions with respect to the most desirable primary color for executive offices showed the following:Primary ColorNumber of OpinionsRed92Orange86Yellow46Green91Blue37Indigo46Violet2What is the probability that a designer does not prefer red?Multiple Choice1.000.770.730.23O

Given that. Total number of openion=400 And number of openion for red=92

Answered: A study of interior designers' opinions…

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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Approximately 90% of all people are night-handed. Consider a grouping of ten people. What is the probability that 4 of them will be right handed ?
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Dana Hills High School was considering going back to campus rather than remote instruction for the remainder of the semester. To make this decision, the school sent out a survey to students, parents, teachers, and staff to see if they would prefer remote or on campus instruction. The results of the survey are given in the table below. Find the probability that a person has no preference or is a student. Student Parent Teacher Staff TOTAL Remote 54 78 59 36 227 On-Campus 79 82 37 55 253 No Preference 23 12 11 54 ТОTAL 156 172 104 102 534 0.406 O 0.393 O 0.350 0.327 0.311
Thirteen of your graduation gift thank-you note/envelope pairs were randomly matched withoutchecking the names. What is the probability they were correctly matched?
Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the respondents, 2346 said they are willing to donate organs after death. In this survey conducted for Donate Life America, 100 adults were surveyed in each state and the District of Columbia, and results were weighted to account for the different state population sizes. a. What percentage of respondents said that they are willing to donate organs after death? b. Based on the poll results, what is the probability of randomly selecting an adult who is willing to donate organs after death? c. What term is used to describe the sampling method of randomly selecting 100 adults from each state and the District of Columbia?
A restaurant randomly chooses what to include on its pizza of the day. The meat choices are pepperoni or sausage. The vegetable options are mushrooms, onions, or peppers. The crust options are sesame seed or garlic. Using a tree diagram, determine the probability of a pizza of the day including pepperoni, onions, and garlic crust on a given day? Express your answer as a percentage.
The CDC did a study on various ways to quit smoking. The results of the study are shown below. Nicotine Gum Nicotine Patch Nicotine Inhaler Still Smoking 191 263 95 Quit Smoking 59 57 27 Suppose a person in the study is chosen randomly. What is the probability that the person was still smoking at the end of the study?
In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 10% of voters are Independent. A survey asked 26 people to identify themselves as Democrat, Republican, or Independent. A. What is the probability that none of the people are Independent? B. What is the probability that fewer than 6 are Independent? C. What is the probability that more than 3 people are Independent?
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According to the U.S. Census Bureau, 74.4% of U.S. households had Internet access in 2013. What is the probability that four randomly selected U.S. households all had Internet access in 2013? Which one of these answer choices is correct? 25.6% 99.6% 74.4% 30.6%
A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50 % of this population prefers the color black. If 16 buyers are randomly selected, what is the probability that less than 12 buyers would prefer black? Round your answer to four decimal places. Answer How to enter your answer (opens in new window) Tables Keypad Keyboard Shortcuts
American Airlines flights from Dallas to Chicago are on time 80% of the time. Suppose 15 flights are randomlyselected, and the number of on-time flights is recorded.a. Find the probability that fewer than 10 flights are on time.b. Find the probability that at least 10 flights are on time.

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