Suppose that about 85% of graduating students attend their graduation. A group of 25 graduating students is randomly chosen.

Q: At a particular university, 20% of the students are freshmen and 43% of the students live in a dorm.…

A: Let F denote the students that are freshmen and      D denote the students that live in a dorm. We…

Q: survey 100 students, 81 use Facebook, 36 use google, and 20 use both. what percentage uses what

A: Let represent the set of students who use Facebook, represent the set of students who use Google+,…

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

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Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: Suppose that the results of a survey show that 59% of people consider summer as their favorite…

A: Given information: The proportion of people consider summer as their favorite season is 59%. The…

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: The following numbers of BX staples are used during a given period: 28, 250, 38, 108, 92, 130, 25,…

A:

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

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Q: Did anyone have an iq of 115?

A: Histogram is given :  First we will construct frequency table from the histogram :  Steps :  Write…

Q: The ages of the members of a family who got together for a birthday celebration were 45, 33, 90, 49,…

A: The data are 45, 33, 90, 49, 91, and 14.

Q: A survey of 1700 teens showed that 1140 read Marvel comics, 670 read DC comics, and 160 do not read…

A: The total number of teens is 1700.The number of teens who read Marvel comics is .The number of teens…

Q: In a survey of 1000 students it was found that 840 own a cell phone, 450 own an MP3 player and 370…

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Q: 9 out of 15 teachers in a school staff meeting were first year teachers. What percentage of the…

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Q: A survey found that 58% of American adults said they use the Internet. If 20 American adults are…

A: Answer - A survey found that 58%   i.e P = 0.58               n= 20,    x = 12

Q: A shipment of 520 calculators, 16 are found to be defective. How many defective calculators are…

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Q: You are a professor of journalism and have 14 students in your class. How many ways can you line up…

A: Given,total no.of students=14

Q: Of the entering class at a college, 75% attended public high school, 16% attended private high…

A: The following information has been given: Let A be the event that student is in the Dean's list. Let…

Q: Explain why in a group of 20 people there must be at least two people who share the same birth…

A: There are total 12 months in a year.  So if each person has a distinct birth month, then we can have…

Q: In a survey of 3391adults aged 57 through 85​ years, it was found that 86.1​% of them used at least…

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Q: 93% of all dolphinesare cured of a particular bacterial infection. if 6 dolphines are treated and 3…

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Q: The World Health Organization is conducting a study of environmentally related diseases. In how many…

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Q: A certain county had a population of 34,485 people. The county hospital is interested in estimating…

A: They test blood samples from 228 patients. Out of this group, 10 have blood type-O. The probability…

Q: In a classroom there are 28 tablets which include 5 that are defective. If seven tablets are chosen…

A: In a classroom there are 28 tablets which includes 5 that are defectiveTotal number of tables…

Q: A group of 500 students take a survey about distance learning.  150 prefer distance learning.  What…

A: The provided information is    A group of 500 students take a survey about distance learning.  150…

Q: a town of 3,000 people, 600 are over 50 years of age and 400 are left-handed. It is also known that…

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.