A group of children visited a zoo during a pre-school celebration week. A sampling of children was asked if the zoo were to get one additional animal, would they prefer a lion or an elephant. The results of the survey follow:   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 that prefers Lions is a Boy

Q: A group of students were asked if they carry a credit card. The responses are listed in the table.…

A: If A and B are two events, then the formula for conditional probability is given by…

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

A: Given,

Q: The table below shows the distribution of a group of 40 college students by gender and class.…

A: Solution: From the given information, the distribution of a group of 40 college students by gender…

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: A test was given to a group of students. The grades and gender are summarized below Total Male 18 13…

A: Given   A B C total Male 5 18 13 36 Female 14 3 16 33 Total 19 21 29 69

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

A: Given,P(male)=4358P(they got a 'C')=2358PMale∩got a 'C'=2058

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

A: Given that,

Q: If one student is chosen at random from those who took the test, Find the probability that the…

A:

Q: A group of students were asked if they carry a credit card. The responses are listed in the table.…

A: We have P(A given B) = P(A|B) = P(A∩B)/P(B)  Let A be the event that a student holds a credit card B…

Q: If one of these tire dealers is randomly selected, find the probability of choosing a name-brand…

A:

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

A: Given that, a test was given to a group of students. The grades and gender are summarized in given…

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

A: Given table:

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

A: Probability is possibility of occurring a event. The value of probability lies between 0 to 1.

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

A:

Q: The following table lists the probability distribution of the number of refrigerators owned by all…

A: Solution: Given: x P(x) 0 0.01 1 0.69 2 0.22 3 0.08 P( a family owns at exactly two…

Q: If one student is chosen at random from those who took the test, find the probability that the…

A: There are totally 71 students taken the test in which 19 males students got grade 'B' from the 32…

Q: In recent study of nurses of a local hospital, eight hundred and twenty four said that they prefer…

A:

Q: A recent poll of residents in a certain community revealed the following information about voting…

A:

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

A: From the provided information,   A B C Total Male 16 13 19 48 Female 3…

Q: A test was given to a group of students. The grades and gender are summarized below В Total Male 9.…

A: we use the formula P(A|B) = P( A n B ) / P(B)

Q: Suppose that seven hundred twenty-five residents were randomly selected and asked whether they have…

A: The given contingency table is, The probability that the resident is male and  he has COVID vaccine…

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

A: We have to find given probability..

Q: A recent poll of residents in a certain community revealed the following information about voting…

A: total resident (N)=235 P(I)= 55/235..(printing mistake in example) P(F)= 115/235 P(I U F)=…

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

A:

Q: A group of people were asked if they owned a dog. 131 responded "yes", and 385 responded "no". Find…

A: Total response  = 131+385 = 516 To owe dog,  total yes = 131

Q: A group of students were asked if they carry a credit card. The responses are listed below: Class…

A:

Q: The table below describes the smoking habits of a group of asthma sufferers. Occasional Regular…

A: We have to find given probability.

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: 10 14 41 Female 6 5 3 14 Total 23 15 17 55 If one student is chosen at random from those who took…

A: Probability indicates the chances of occurring an event. It lies between 0 and 1. Probability of an…

Q: A survey of students to determine if they had a pierced ear was given. The results are summarized in…

A: Concept: Probablity=Total favourable outcomestotal outcomesPA|B = PA∩BPB     Given table is Take B…

Q: A test was given to a group of students. The grades and gender are summarized below A. Total 33 24…

A:

Q: The table lists the smoking habits of a group of college students. Sex Non-smoker Regular Smoker…

A:

Q: A store manager records sales number for TVs of brands A, B, C, D, and E and listed them in the…

A: Brand  frequency  A 41 B 53 C 39 D 23 E 17 Total 173

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

A:

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

A: Question: If one student is chosen at random, find the probability that the student was female GIVEN…

Q: 21) The table below describes the smoking habits of a group of asthma sufferers. Occasional Regular…

A: H = Heavy smoker M = Men T = Grand Total

Q: A sampling of children was asked if they would they prefer a lion or elephant  as their favorite…

A: Given data,   Lion Elephant Total Boys 90 110 200 Girls 75 85 160…

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

A:

Q: The following table describes the smoking habits of a group of asthma sufferers ​ Nonsmoker (NS)…

A: Given   See the table

Q: The table below describes the smoking habits of a group of asthma sufferers. Light Heavy Nonsmoker…

A: Part a: The probability that the person chosen is heavy smoker given that the person is a man is…

Q: A recent poll of residents in a certain community revealed the following information about voting…

A: From the table we see that: n(D)=n(Democrats)=110 n(M)=n(Male)=120 n(M and D)=50 So, n(M or…

Q: Find the probability that a student picked at random will be female or Right- handed? C A random…

A: Probability  A probability tells the chances of an event whose occurrence is uncertain. For example,…

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

A: According to the provided information,

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

A:

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

A: To calculate: Probability that the student was female given that they got a B. Using Conditional…

Q: A survey of students to determine if they had a pierced ear was given. The results are summarized in…

A: In the given information, the data of students having pierced ear is given. Let F be the female…

Q: A group of students were asked if they carry a credit card. The responses are listed in the table.…

A:

Q: A sample of 200 people are classified as below. If a person is picked at random from this Stoup,…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…

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.