100 persons are surveyed about their smoking habits. The results are shown below:Do you smoke?MaleFemaleTotalYes141226What is the probability that a randomly selected smoker is male?Enter the exact answer, or round the answer to three decimal placesNo462874Total6040100

The total number persons is 100.

Answered: 100 persons are surveyed about their…

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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Who Has Pierced Ears? Gender Yes Male 19 Female 84 Total 103 type your answer... No 71 14 type your answer... 75 a. If we know that a randomly selected student has pierced ears, what is the probability that the student is male? Round to the nearest tenth of a percent. % Total 90 88 178 b. If we know that a randomly selected student is male, what's the probability that the student has pierced ears? Round to the nearest tenth of a percent. %
A survey asked people of different ages whether they get their news by reading the paper. What is the probability that a person surveyed is under 40 and gets the news by reading the paper? Read paper Don't read paper Total 36 Under 40 40 or older Total 4 24 28 A. 45% B. 20% C. 14% D. 5% 16 52 40 40 80
A coin is flipped 150 times. The results of the experiment are shown in the following table: Heads Tails 63 87 Which of the following statements best describes the experimental probability of getting heads?
Giving a test to a group of students, the grades and genders are summarized below A B Total Male 10 7 8 25 Female 12 3 17 32 Total 22 10 25 57 If one student was chosen at random, 1. Find the probability that the student got a B. Answer: 0.1754 2. If the chosen student was male, find the probability that this student got a grade C or B. Answer:
Thirteen of your graduation gift thank-you note/envelope pairs were randomly matched withoutchecking the names. What is the probability they were correctly matched?
A test was given to a group of students. The grades and gender are summarized below A B C Total Male 12 17 4 33 Female 16 18 8 42 Total 28 35 12 75 If one student is chosen at random from those who took the test,Find the probability that the student got a 'B' GIVEN they are female.
A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male Female Total Smokes 87 74 161 Doesn't smoke 22 17 39 Total 109 91 200 If a person is selected at random, what is the probability that the person is a male or a smoker? 0.423 0.915 1.785 correct answer is not given
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?
100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male Female Total Yes 14 12 26 What is the probability that a randomly selected smoker is male? Enter the exact answer, or round the answer to three decimal places No 46 28 74 Total 60 40 100
One card is selected randomly from a standard 52-card deck. a. What is the probability of drawing a two? b. What are the odds against drawing a two? i Click the icon to view a diagram of a standard 52-card deck. a. The probability of drawing a two is (Simplify your answer.)
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 given that they used the nicotine gum? T T T Arial
Alex surveyed some students at his school, asking about their favorite sport and whether they have a pet. What is the probability that a student in this survey has pets? Has Pets No Pets Total O 0.063 Basketball 16 12 28 O 0.110 Football 90 72 162 O 0.433 Baseball 38 26 64 O 0.567 Total 144 110 254 O 0.642

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100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male Female Total Yes 14 12 26 What is the probability that a randomly selected smoker is male? No 46 28 74 Total 60 40 100