Two hundred people were surveyed and asked whether they live in an urban or rural area and whether they prefer cats or dogs. (Proportion just means leave your answer as a fraction) A. What proportion of those surveyed live in an urban area? B. What proportion of the people who live in a rural area prefer dogs? C. What proportion of the people who prefer cats lived in an urban area?

Q: For an opinion on bicycle racks, which segments of the school population would you sample? o…

A: For an opinion on bicycle racks, which segments of the school population would you sample?

Q: What percentage of students are enrolled in between 12 and 18 credits?

A:

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A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given :

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Q: 3. The front row of a movie theatre has 23 seats. If you were asked to sit in the seat that occupied…

A:

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A: Given: Since 1996, 45% of the No. 1 draft picks in the National Basketball Association(NBA) have…

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Q: )How many plants have heights between 10 and 25 inches? b) How many plants have heights more than 15…

A: a)How many plants have heights between 10 and 25 inches? plants have heights between 10 and 25…

Q: Researchers asked 200 families whether or not they were homeowners and how many cars they had. Their…

A: We can answer the question from the table of data as below.

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A: a) Stratified random sampling is a type of random sampling technique in which the whole population…

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A:

Q: 1. A local news report claims that 40% of the vehicles on the freeways are vans or SUV's. You go to…

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Q: The state transportation commission counted cars traveling east and west across a toll bridge. The…

A:

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: b) What is your estimate of the percentages of individuals who sleep fewer than 6 hours, 6 to 6.9…

A: The data is given as:   Hours of sleep Age group 39 or younger 40 or older Fewer than 6 38 36…

Q: What is the percentage of students who are ages 10- Eat Skip Breakfast Breakfast Total 13? Students…

A: Given     Eat Breakfast Skip Breakfast Total Students Ages 10-13 40 5 45 Students…

Q: 7.) How much does the Over the Rainbow Bakery sell 18 cupcakes for? 8.) What is the proportion of…

A: Ingredients For 4 dozen for 225 cupcakes cake ingredients     Shifted flour 6…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: The margin of error (E) is 0.03 and the confidence level is 0.95.

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 575 were…

A: Number of nurses in a survey = 800 Number of health club members = 430 Number of smokers = 575…

Q: A survey of Hoosiers found that 57% are Pacers fans, 44% are Colts fans, and 35% are Pacers fans but…

A: Let P= Pacer fans  C= Colt fans So, P(P)= 57% = 0.57  P(C)=44%=0.44 So, 57% - 35%=22%= 0.22 are…

Q: What percentage of students guessed between 41 and 44

A:

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

Q: What proportion of Canadians spend between 8 and 16 hours watching Netflix per month? What…

A: Solution

Q: Since 1966, 45% of the No.1 draftpicks in the NBA have been centers. a) identify the population b)…

A: Population: In statistical enquiry our interest lies about gathering information about some…

Q: An environmentalist wants to find out the fraction of oil tankers that have spills each month. Part…

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A: Testing of hypothesis: It is used when some information is available about the population, and we…

Q: Suppose a​ 10-in. circular pizza costs​ $4.00. To find the​ price, x, of a​ 14-in. circular​ pizza,…

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Q: 19 2. How can you tell whether a greater percent of customers surveyed selected veggie burger or…

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Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: Critical value: Here, α = 0.01. Using excel formula “=NORM.S.INV(1-(0.01/2))”, the critical value is…

Q: ) 26. Use proportion method to determine the nature of association between A and B: 30 20 50 B. 50…

A:

Q: You want to estimate the proportion of home accident deaths that are caused by falls. How many home…

A: Formula for the sample size needed to estimate a population proportion is

Q: 7. What proportion of time was spent eating and drinking?

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A: The given data is,   All persons 18 years of age and older Current regular alcoholic beverage…

Q: Suppose that in a survey of five-year-olds, 49%49% liked the letter A, 56% liked the letter B, and…

A: Given that P(A)=0.49 , P(B)=0.56 , P(C)=0.53

Q: 5) At Bill's community college, 41.7% of students are Caucasian and 2.7% of students are Caucasian…

A: Given that 41.7% of students are Caucasian and 2.7% of the students are Caucasian math majors.…

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A: Given, Dressed as witches [ trick-or-treaters that came to your house last Halloween]= 6/11

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A:

Q: A sample of Reese's pieces contains the following: 23 Orange, 14 Brown, 18 Yellow.  What is the…

A:

Q: 1. A report in a national magazine estimated that 39 percent of. . of their wives' eyes. Bill…

A: Let X be the number of American husbands who do not know the color of their wives' eyes. A sample of…

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A: Given information is : The Blue Tide High School Student Committee has 5 members. They would like to…

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A: Step 1. (b) Total number of respondents is study =1182.

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A: We have given that statement. Here, need to find out that the given statement is true or false.…

Q: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow. What is the…

A: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow Total no. of…

Q: How many females were surveyed? Baseball Basketball Football Total 13 15 20 48 Male 23 16 13 52…

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Q: A radio talk show host with a large listening audience is interested in the proportion p of adults…

A: Given, A radio talk show host with a large listening audience is interested in the proportion p of…

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.