Suppose a sample of 100 people was taken, and each one was asked about being dominantly right-handed or left-handed. Their gender was also note. Handedness /Gender Right handed Left Handed Total Male 42 6 48 Female 45 7 52 Total 87 13 100 Suppose one person is chosen at random and compute the following probabilities.

Suppose a sample of 100 people was taken, and each one was asked about being dominantly right-handed or left-handed. Their gender was also note. Handedness /Gender Right handed Left Handed Total Male 42 6 48 Female 45 7 52 Total 87 13 100 Suppose one person is chosen at random and compute the following probabilities.

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...

See similar textbooks

Similar questions

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?
Ms. Burke's biology class has 115 students, classified by academic year and major, as illustrated in the table. Ms. Burke randomly chooses one student to collect yesterday's work. Academic Year Biology Majors Non-Biology Majors Freshman 9 16 Sophomore 18 18 Junior 13 9 Senior 16 16 What is the probability that she selects a biology major, given that she chooses randomly from only the freshman?
Out of 2500 light bulbs that were tested, 135 were defective. Based on this information calculate the following probabilities. Enter your answers as a reduced fraction using / for the fraction bar. P(defective) = Answer P(not defective) = Answer S
The table below shows the soft drinks preferences of people in three age groups. If one of the 255 subjects is randomly selected, find the probability that the person is over 40 and drinks cola. Cola Root beer Lemon-lime Under 21 yrs of age 40 25 20 Between 21 and 40 35 20 30 Over 40 yrs of age 20 30 35
Use the data in the following table that shows results from a polygraph (lie detector) conducted by researchers Charles R. Honts and Gordon H. Barland. In each case, it was known if the subjects lied or did not lie, so the table indicates when the polygraph was correct. If two different subjects are randomly selected without replacement, find the probability that they both lied.
A multiple-choice examination has 11 questions, each with five possible answers, only one of which is correct. Suppose that one of the students who takes the examination answers each of the questions with an independent random guess. What is the probability that he answers at least six questions correctly? a. 0.1064 O b. 0.2117 O C. 0.0117 O d. 0.3064 O e. 0.3117
A random sample of 1000 adults has the elements of the sample classified by sex (= Male or Female) and educations ( = College, high School or Elementary). The results are summarized in the contingency table below. College High School Elementary Male 130 270 140 Female 170 180 110 Find the probability that a randomly selected person who is selected from the survey members is male, given that the individual finished college.
Blood Types and Rh Factors In addition to being grouped into four types, human blood is grouped by its Rhesus (Rh) factor. Consider the figures below that show the distributions of these groups for Americans. A B АВ Rh + 37% 34% 10% 4% Rh - 6% 6% 2% 1% Source: www.infoplease.com Send data to Excel Choose 1 American at random. Find the following probabilities. Enter your answers as decimals rounded to 3 decimal places.
Mrs. Bukovac compiled the following table to compare the hand dominance of 200 Cleveland Heights High School students and what methods they prefer using to communicate with their friends. Communication method Cell phone/text In person Online 34 166 200 Total Hand Left-handed 12 13 domin ance Right-handed 43 72 51 Total 55 85 60 (a) If you choose a student at random, what is the probability they are left-handed, given that they communicate in person? (b) If you choose a student at random, are the events "left-handed" and "communicates by text" independent, based on the data above? Explain how you know.