At an examination at which 500 candidates appeared, boys are numbered girls by 14% of all candidates. Number of passed candidate exceeded the number of failed candidates by 300. Boys failed in the examination numbered 80. Construct the nine square association table and calculate the coefficient of association between boys and success in the examination.

Q: In a survey of 143 pet owners, 86 said they own a dog, and 55 said they own a cat. 42 said they own…

A: The total pet owners is n = 143.

Q: find the weighted average. 3 test scores were 75, 5 test scores were 88 and 2 test scores were 90.

A: Given,3 test scores were 755 test scores were 882 test score were 90

Q: To estimate the number of bass in a lake, a biologist catches and tags 24 bass. Several weeks later,…

A: The objective is to determine the number of bass in the lake. Let the number of bass in the lake is…

Q: If 51.97 -(81.18 -x ) -59.39 = 5.268, then value of x will beA 24.912B 68.492C 93.868D 197.808

A:

Q: Annette is surveying people in the city about their interest in a new shopping mall. She found that…

A: Introduction: The percentage is very significant in arithmetic. The base of the percentage…

Q: if 26,000 people make up 16% of a population, what is the total population? show how you get your…

A:

Q: What is 16% of 431

A: What is 16% of 431

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: Find the number of different selections of 4 letters from the word STATISTICS.

A: "STATISTICS" No.of letters in the word " STATISTICS " =10

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: 73% of the community did not agree with the proposal. The community has 1750 members. How many do…

A:

Q: When 445 junior college students were​ surveyed, 135 said that they have previously owned a…

A:

Q: Drake made 20 out of 25 baskets while playing basketball. What percentage of the baskets did he make

A: Given, Drake made 20 out of 25 baskets while playing basketball.  i.e) 2025

Q: A high school's extracumicular committee surveyed a randomly selected group of stu they like tennis…

A: Solution of the problem as follows

Q: if the whale is 48 feet is it an outlier?

A: here use basic of Normal distribution

Q: You have a bag of marbles that contain 292 green, 239 red, 76. Blue, and 209 yellow ones. What is…

A: You have a bag of marbles that contain 292 green, 239 red, 76. Blue, and 209 yellow ones. What is…

Q: A team of students lined up dominoes on the gym floor. Of the 400 dominoes they used, 25% fell over.…

A:

Q: In an Ontario university classroom full of candian student only, there are six more students from…

A: Given thatIn an Ontario university classroom full of Canadian students only There are six more…

Q: What number is 253% of 2,500

A:

Q: On a platter of chicken wings there are mild wings and hot wings. In a representative sample of 10…

A: The objective of this question is to estimate the number of mild wings on a platter of 100 chicken…

Q: How do you figure out which team is closer?

A: In triangle LBM∠BLM=52°∠LBM=38°+52°=90°∠BML=38°

Q: A school surveyed a group of students about whether they like backgammon and chess. They will use…

A: I have provided this answer in step-2.

Q: oes a phone poll of 900 Americans and ask each the highest earned education degree(none, fed, bs…

A: Any qualities, quantity, or number that can be evaluated or  calculated is referred to as a…

Q: A Driver keeps goes through 3 intersections. The probabibilty of hitting a red light at each are…

A: Let xi denotes the probability of hitting red light in ith intersectionsGiven date P(X1) = 0.2P(X2)…

Q: Of the patients in a hospital, 20% of those with, and 45% of those without myocardial infarction…

A: Let's assume the total number of patients in the hospital is represented as P. Let the number of…