1. A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do both. What is the percent of young executives who run or bike?

Q: in the U.S, 37% of households have dogs, 30% of households have cats, and 7% of households have both…

A: Addition rule of probability:Addition rule of probability indicates the happening either of the…

Q: (a) What percent of respondents feel that their body weight is about right? (b) What proportion of…

A:

Q: In a survey, editors of a magazine asked 200 people whether or not they smoke and whether or not…

A:

Q: A movie club surveyed 300 high school students. The students were asked how often they go to the…

A: Total number of students = 300. Total number of students who watch drama movie = 129+45= 174. Total…

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.

Q: 5. What percent of the sophomores watch TV for at least 15 minutes per night?

A: Following statistics is given for TV time   Minimum = 0 minutes Q1 = 15 minutes Q2 = 60 minutes Q3 =…

Q: A market study produces the following results: * 80% of respondents drink coffee or tea or both *…

A: The given information is as follows: 80% of respondents drink coffee or tea or both. 60% of…

Q: The International Brotherhood of Slide Whistlers wants to conduct a survey to find what proportion…

A: Let COnfidence interval be 90% Zc=1.645 E=3%=0.03 p=0.5 n=?

Q: Out of 45 students, 29 go on a field trip. Which best represents the percent of the students who do…

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Q: In a survey, 100 people were asked if they smoke and whether or not they exercise regularly (more…

A:

Q: At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered…

A:

Q: 13. If 27 out of 30 people passed a driving test, what percent failed?

A: Given Total people = 30 Passed people= 27 So ,failed people= 30-27 = 3

Q: Sally Firefly purchases hardwood lumber for a custom furniture-building shop. She uses three…

A: Given: The overall obtained defective piles is, P(D)=0.2 The percent of defective lumber came from…

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A:

Q: A research report from an independent-measures study states that there are significant differences…

A: It is given that the numerator (treatments) degrees of freedom is 2 and the denominator (error)…

Q: (b) What is the proportion of wolves that are female but do not hunt in medium-sized packs o are not…

A: Hi, the question have the multiple sub-parts and as per the guidelines I am obliged to answer first…

Q: When the members of the Eye and I Photo Club discussed what type of film they had used during the…

A: Let, B&W= Black and white I=Infrared C=Color

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: let G be the set of school graduates who read Gone with the wind let M be the set of school…

Q: b. Compare the graduation rate (proportion to graduate) of students on an athletic scholarship to…

A: Here identifying comparison between same group or different group

Q: 41 percent of young adult males play video games. 39 percent of young adult males have a full-time…

A: It is given that, 41% of young adult males play video games i.e. P(young adult pay video games) =…

Q: A research report from an independent-measures study states that there are significant differences…

A: From the provided data we have, Degrees of freedom between group = k-1 = 2  Thus, k = 3 Degrees of…

Q: In a survey, editors of a magazine asked 250 people whether or not they smoke and whether or not…

A: The answer is explained below,

Q: 36% of the children in a school have a dog, 24% have a cat, and 12% have a dog and a cat. What…

A: The percent of those who have a cat also have a dog is, PDog|Cat=PDog ∩…

Q: A research report from an independent-measures study states that there are significant difference…

A: From the provided information, The degree of freedom for treatment (k – 1) = 3 A) The required…

Q: The table summarizes the blood group and Rh type for 100 people. a. How many of the subjects were…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: At a certain college, 32% of the students are majoring in engineering, and 55% of the students are…

A: The percentage of students in engineering (major) is 32%. The percentage of female students is 55%.…

Q: c)   If the scientists want to estimate the proportion of deer that carry Lyme disease ticks to…

A: We have given that,  Margin of error (E) = 0.02 and confidence level = 90% Then,  We will find the…

Q: A survey asks: Which online services have you used in the last month: - Twitter Facebook - Have used…

A:

Q: What percentage of people are men who like movies?

A:

Q: Assume that 30% of city employees in Carson City ride the bus to work. Answer the following…

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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: Lactose intolerance causes difficulty digesting dairy products that contain latose. It is…

A: A) Let W be the event that selected person is White, B be the event that selected person is Black, A…

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: It is given that students who read: Gone with the wind (G) = 648 Moby Dick (M) = 958 Lord of Files…

Q: Part B Which teacher was voted favorite by the greater number of students in the fifth-grade class?…

A: In the fifth grade Class, Total Number of students = 48 Total Number of girls = 25 Total Number of…

Q: Researchers asked 250 families whether or not they were homeowners and how many cars they had. Their…

A: Number of families having two or more cars       = 95 + 85      = 180 So percentage of families…

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: Let's say G is the set containing all graduate who studied "G with w". Thus, number of element in…

Q: Simpletown is a small town in Nebraska. The town has two bakeries to choose from. Tammy wants to…

A: 1.For Simply Simple Bakers,the graph shows that the cost of 4 dozen cookies is 48$  So the cost of 1…

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…

Q: 5. A study attempted to estimate the proportion of Florida residents who were willing to spend more…

A: Population: Population consists of the complete subjects that are included in the study for making…

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: Consider the data given in the problem and draw the Venn diagram as shown below, now, fill the rest…

Q: According to Padgett Business Services, 20% of all small-business owners say the most important…

A: Solution: a. Let X be the number of owners would say preparing for long hours and hard work is the…

Q: In a classroom, 12 students are wearing glasses, while six or not. What percent of the students are…

A: Given data: Number of student with glasses is p=12. Number of student without glasses is q=6.

Q: The director of library services at a college did a survey of types of books (by subject) in the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The registrar’s office at ACC predicts that 90% of the 6,950 spaces open in various math classes…

A:

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: Let W denote graduates who read gone with the wind, M denote graduates who read Moby Dick and F…

Q: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

Q: If the proportion of Hs is .45 out of 50 flips, what is the p-value? Round to three places.

A: We have given that Sample proportion =0.45 Sample size (n)=50 flips  Population proportion p=0.5…

Q: 2. Anita and her little brother are both 62 inches tall. Anita’s height is in the 85th percentile…

A: Anita's little brother is taller for this age

Q: C1. A computer spam filter is 98% effective at sending spam emails to my junk folder, but will also…

A: Solution

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.