Provide an appropriate response. When 390 junior college students were surveyed,115 said that they have previously owned a motorcycle. Find a point estimate for p, the population proportion of students who have previously owned a motorcycle.

Q: The failure rate for taking the bar exam in Philadelphia is 41%.  If 375 people take the bar exam,…

A: Given that, The failure rate for taking the bar exam in Philadelphia is 41%  i.e. probability, p =…

Q: Which group has the largest percentage of people who prefer to travel by automobile? O child O teen…

A: From the diagram Percent of automobile prefer by child=5 Percent of automobile prefer by teen=25…

Q: Compare the married and divorced groups in the very happy category with reference to their…

A: Given: A: Married people B: Divorced people X: Very Happy people XA=600  nA=1413     XB=93  nB=485…

Q: We would like to know: "What percentage of college students read the college newspaper every day?"…

A: There are two ways to draw conclusion about a population.

Q: A study published in 2007 attempted to estimate the proportion of Florida residents who were willing…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of a population…

Q: Among the people in the age class "18 - 24", what is the percentage of people who prefer "Soft…

A: Given that Number of people who prefer soft drinks and in the age class 18 - 24 = 90 Number of…

Q: Given the following list of tips (in dollars) earned in the last hour by waiters in a Japanese…

A: Given the following list of tips (in dollars) earned in the last hour by waiters in a Japanese…

Q: Out of 200 people sampled, 28 said they prefer Coke over Pepsi. What is the point estimate for the…

A: From the given information, x=28n=200 Point estimate: p^=xn=28200=0.14

Q: How smart is your phone? A random sample of 10 Samsung Galaxy smartphones being sold over the…

A: We have given that,  The data set is,  199, 169, 385, 329, 269, 149, 135, 249, 299, 249 standard…

Q: Determine whether or not this statement makes sense. Nielsen  Media  Research  determined  the…

A: Given statement is: Nielsen  Media  Research  determined  the precise  proportion  of  all Americans…

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

A:

Q: When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet.…

A: Given Information: n = 3011 ¾ of all adults use the internet (p)  = 75% = 0.75   = 73% = 0.73 Step…

Q: A sample was done, collecting the data below. Calc 10 22 28 14

A: Given information: The sample data is provided as: x 10 22 28 14 7 It is to…

Q: What is the estimate of the common population proportion?

A: To find: The estimate of common population proportion

Q: a. What is the frequency for CEO ages berween 54 and 65? b. What percentage of CEOS are 65 vears or…

A: Consider the table ,  Age Frequency Relative frequency Cumulative relative frequency 40-44 3…

Q: Based on the data, what is the most reasonable estimate for the number of The Foodies members whose…

A: In the bar graph: Total no. Of member select = 6+5+14+8+2= 35 No. Of people who prefer Italian = 14…

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: When 500 junior college students were surveyed,120 said that they have previously owned a…

A: When 500 junior college students were surveyed,120 said that they have previously owned a…

Q: What percentage of scores would be above 567?

A:

Q: A company has the pay scales below, with the percent of employees receiving that pay listed. Find…

A: Let n be the number of employees.

Q: We take the weights of five watermelons and get 12, 8, 14, 16, 17, and 11 pounds. What should we use…

A:

Q: If there were NO drivers who drove 80 or 85 mph would the mean stay the same, be lower,, or higher?

A: From the given information we find the probability.

Q: Take a random sample of 50 pages from a book and estimate the proportion of all pages that contain…

A: Here we want to find proportion of pages that contain figures.

Q: Find the point estimate for the population mean. a. 75.4 b. 81.3 c. 72.8 d. 76.8

A: We know that : The sample mean (̄x) is a point estimate of the population mean, μ

Q: What percentage of pets are Rabbits?

A:

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

A:

Q: A. What was the population in 1850?

A:

Q: Determine the median number of hours Darla spent studying that week. Gi-

A: Median is the value which divides the whole data into two equal halves.

Q: What percent of students earned an "A" grade of 90% or higher? TEST SCORES:…

A: Solution: The given data is 50, 60, 61, 63, 66, 67, 73, 82, 89 and 92. Total number of scores is 10.

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

A: Solution

Q: Briefly explain how the officer collects the sample based on stratified sampling

A: Stratified sampling is the type of sampling where we divide our population into different strata,…

Q: How many people surveyed ?

A: The number of people information is included in a sample is the number of people surveyed.

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

A:

Q: Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly…

A: According to the provided information, The data set will represent the collection of response…

Q: (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Androld…

A: It is given that Sample size n = 245 Number of cell phone owners with Android phone, X = 106

Q: We would like to know: “What percentage of college students read the college newspaper every day?”…

A: We have to find given probabiity.

Q: Which student has a larger

A: We have given the data of Sarah and. Elaine

Q: Find the median, quartiles, minimum, maximum, range, and IQR of the following scores out of 100 on…

A: To find the median, quartiles, minimum, maximum, range and IQR of the given data. Arrange the data…

Q: What percent of students preferred iced tea?

A: Total number of students = (840+390+830+510+430) = 3000 Number of students who preferred iced tea =…

Q: A box truck rental service offers trucks in multiple sizes for people who are moving. If a 10-foot…

A: We have, a box truck rental service offers trucks in multiple sizes for people who are moving such…

Q: (a) How many of the students in the sample got an A? How many got a D? The number of students who…

A: Given: Sample data: Grade frequency A 8 B 26 C 31 D 24 F 41

Q: class YES NO Undecided freshman 48 21 11 sophomore 34 52 What proportion of those surveyed were…

A:

Q: Find the sample proportion, p-hat. When 410 college students were surveyed,150 said they own their…

A: Given, The objective is to find the point estimate for p (p-hat), the population proportion of…

Q: The number of passengers using a rail link fell from 190,205 to 174,989. Find the percentage…

A: In this question, we have to find the percent decrease in rail link.

Q: The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first…

A: According to the given information in this question It follows binomial distribution with parameters…

Q: The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of…

A: GivenMean(μ)=74standard deviation(σ)=8

Q: A survey of 250 households showed 91 owed at least 1 blower. Find an estimate for P,( proportion of…

A: Given, Number of households (n)=250  owed at least 1 blower (x)= 91 Point estimate or sample…

Q: Practice questions for a textbook are marked with difficulty levels of easy , intermediate , and…

A:

Q: According to the Business and Financial Times newspaper, through January 25, 2018, majority of…

A: Given that there are 162 companies. The number of companies showed beat estimates is 104. The number…