A sampling of children was asked if they would they prefer a lion or elephant as their favorite animal. The results of the survey are below: Lion Elephant Total Boys 90 110 200 Girls 75 85 160 Total 165 195 360 If one child who was in the survey is selected at random, find the probability that: A randomly selected child is a Boy A randomly selected Girl prefers Elephants. A randomly selected child that prefers Lions is a Boy A randomly selected child prefers Elephants?

A sampling of children was asked if they would they prefer a lion or elephant as their favorite animal. The results of the survey are below: Lion Elephant Total Boys 90 110 200 Girls 75 85 160 Total 165 195 360 If one child who was in the survey is selected at random, find the probability that: A randomly selected child is a Boy A randomly selected Girl prefers Elephants. A randomly selected child that prefers Lions is a Boy A randomly selected child prefers Elephants?

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

Related questions

Q: A test was given to a group of students. The grades and gender are summarized below B 4 8 5 Total 23…

A: Given that ABCTotalMale154625Female851326Total2391951

Q: A group of children visited a zoo during a pre-school celebration week. A sampling of children was…

A: Total 165 children prefer Lion. Among those 165 children, 90 are boys.

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total…

A: The probability that the student got a 'C', given that they are male= P[The student is male and got…

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

Q: A test was given to a group of students. The grades and gender are summarized below A BC Total Male…

A: The number of students got B grade is 23. The number of students is female and got grade B is 6.

Q: poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at…

A: According to the given information, we haveProbability, p = 70% = 0.70Sample size, n = 8

Q: A poll is given, showing 25% are in favor of a new building project. If 10 people are chosen at…

A: Given that, According to a poll,probability of favouring to new building project is 0.25 i.e.. P =…

Q: The Political Action Club has surveyed 280 students on your campus regarding the relationship…

A: From the information, given thatLet S denotes the total outcomes. That is, N(S)=280.Let A denote the…

Q: Given a test to a group of students, the grades and genders are summarized below. A…

A: We have find givan probability...

Q: The blood group of 60 students of a class was recorded as below: Blood Group Number of Students A 12…

A: From the provided information, The data values are as follow: Blood Group A B AB O Total Number…

Q: The tickets in a box have an average value of 75, and the SD is 10. Twenty-five draws are made at…

Q: A poll is given, showing 25% are in favor of a new building project. If 10 people are chosen at…

A: According to the given information, we have A poll is given, showing 25% are in favor of a new…

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total…

Q: A test was given to a group of students. The grades and gender are summarized below. A B C Total…

A: Probability is the mathematics of chance and luck. It has multiple real-world applications from…

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total…

A: Given the test result of a group of students. The grades and gender are summarized as Gender A B…

Q: A poll is given, showing 50% are in favor of a new building project. If 9 people are chosen at…

Q: A poll is given, showing 75% are in favor of a new building project. If 9 people are chosen at…

A: Given information- We have given a problem of the binomial distribution. We have given that a poll…

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

Q: A test was given to a group of students. The grades and gender are summarized below A Male 16 19 14…

A: A B C total male 16 19 14 49 female 20 11 2 23 total 36 30 16 80

Q: An animal shelter recorded the animals purchased by the 400 people who walked into the shelter.…

A: DOG FOOD CAT FOOD NO FOOD Total CAT 50 62 46 158 DOG 120 58 4 182 NO ANIMAL 30 20 10 60…

Q: college students were surveyed to check what they favored between basketball, football or baseball.…

A: Given, Basket ball Foot ball Base ball Total Male 22 40 15 77 Female 45 12 16 73 Total 67…

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total…

A: Given: Total number of students=57Number of Female=23Number of female got B=2Number of students got…

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total…

A: Total number of students = 75

Q: The table below shows political party affiliations of people in three age groups. Democrat…

A: Given information- We have given the table below shows political party affiliations of people in…

Q: In a large college, 20% of the students have experienced feelings of math anxiety. If you take a…

A: 20% of the students have experienced feelings of math anxiety.Sample size

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total…

A: Given, A B C Total Male 16 13 15 44 Female 3 4 20 27 Total 18 17 35 71

Q: A group of 140 students at an elementary school were asked if they prefer the color orange to the…

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

Q: The faculty of a community college were surveyed to determine the brand of Faculty smartphone they…

A: Given table is we have to find probability to select a man owns a…

Q: a. What is the probability that a person selected at random likes dogs and movies? b. What is the…

Q: A test was given to a group of students. The grades and gender are summarized below A B C Total…

A: P(A|B) = P(A∩B)P(B)

Q: f two of the individuals are (Round to three decimal places as needed.) If one of the individuals is…

A: Elbow Head Hand Foot Total Student 108 96 36 136 376 Faculty or Staff 72 59 16 14 161 Total…

Q: A test was given to a group of students. The grades and gender are summarized below…

A: Given information- We have given a table that summarizes grades of students and their gender. If one…

Q: Suppose you are taking a multiple-choice test with c choices for each question. In answering a…

A: Given: The number of choices for each MCQ question is c. The probability of knowing the answer is p.…

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: The data related to cell phone users is given.

Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A sampling of children was asked if they would they prefer a lion or elephant as their favorite animal. The results of the survey are below:

	Lion	Elephant	Total
Boys	90	110	200
Girls	75	85	160
Total	165	195	360

If one child who was in the survey is selected at random, find the probability that:

A randomly selected child is a Boy
A randomly selected Girl prefers Elephants.
A randomly selected child that prefers Lions is a Boy
A randomly selected child prefers Elephants?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.

Similar questions

A test was given to a group of students. The grades and gender are summarized below C Total 5 18 Female 6 13 16 35 Total 8 24 21 53 A B Male 2 11 If one student is chosen at random from those who took the test, Find the probability that the student got a 'A' GIVEN they are female.
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, 217 answered "none," 293 said "one," 369 said "two," 150 said "three," and 73 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.) Is it unlikely for a household to have four or more cell phones in use? A. No, because the probability of a respondent with four or more cell phones in use is greater than 0.05. B. Yes, because the probability of a respondent with four or more cell phones in use is greater than 0.05. O C. Yes, because the probability of a respondent with four or…
A test was given to a group of students. The grades and gender are summarized below A B C Total Male 13 9 3 Female 14 20 17 Total 27 29 20 25 51 76 If one student is chosen at random from those who took the test, Find the probability that the student was male GIVEN they got a 'B'.
A test was given to a group of students. The grades and gender are summarized below A B C Male 4 20 5 Female 16 19 14 Total 20 39 19 Total 29 49 78 If one student is chosen at random from those who took the test, Find the probability that the student got a 'A' GIVEN they are female.
A poll is given, showing 20% are in favor of a new building project.If 9 people are chosen at random, what is the probability that exactly 1 of them favor the new building project?
The results of CNN’s 2012 presidential election poll are given. Use the following table to answer the questions. Obama Romney Other/No Answer Male Voters 21% 25% 1% Female Voters 29% 23% 1% a) Find the probability that a polled voter voted for Obama. b) Find the probability that a polled voter voted for Romney OR is a female. c) What is the probability that a polled voter didn’t vote for Romney AND is not a female
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
A test was given to a group of students. The grades and gender are summarized below A B C Total Male 5 14 12 31 Female 20 13 10 43 Total 25 27 22 74 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 test was given to a group of students. The grades and gender are summarized below A B C Total Male 11 7 5 23 Female 19 3 20 42 Total 30 10 25 65 If one student is chosen at random from those who took the test,Find the probability that the student was female GIVEN they got a 'B'.
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
Solve the following: