Suppose we want to claim more than 70% of plastic bottles are never recycled. 200 bottles were randomly selected and tracked. If we know that a sample proportion of 77% will result in a test statistic (z score) of 2, which of the following sample proportion will result in a test statistic that is more than 2? a) 85% b) 65% c) 70% d) 76%

Q: 3. (Refer to Krejcie and Morgan Table) Considering the 1, 200 students in the School of Teacher…

A: Given information: Method to be used: Krejcie & Morgan sample size determination method…

Q: This box and whiskers was created from a random sample of new 1993 cars. The city gas milage (in…

A: a box plot—displays the five-number summary of a set of data.The five-number summary is the minimum,…

Q: a. What is the mearn the original samples have n = 4 scores? b. What is the mean for the combined…

A: From provided information; one sample has a mean M1= 8 and second sample has mean M2=16, two samples…

Q: You are given a dataset of 14 values (sorted): 20,33,64,67,69,70,70,71,74,78,79,82,92,100 We find a…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Suppose that the unemployment rate for 18- to 34-year-olds was reported to be 10.6%. Assume that…

A: Given, The unemployment rate for 18- to 34-year-olds was reported to be 10.6% based on a random…

Q: In preparing a report on the economy, we need to estimate the percentage of business that plan to…

A:

Q: What is the mode for the following sample of n = 11 scores? Scores: 1, 2, 2, 2, 3, 3, 4, 5, 6, 6, 7…

A:

Q: The 3rd quartile of the ages of 300 students of Math class is 22 years. Which of the following…

A:

Q: Consider the following: at Bernhardt College, 200 (of the 3,000) students were polled and asked how…

A: From the given information, At Bernhardt College, 200 (of the 3,000) students were polled and asked…

Q: 2. Report the statistical results for a three sets of data in APA style.

A: The statistical results for a  sets of data in APA style must be reported.

Q: The highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: Hey there! As per our policy we can answer only 3 sub-parts at a time. Please make a new request for…

Q: Imagine a researcher asks a sample of five people to drive two types of cars and rate each of them…

A:

Q: 4. A sample consisting of 430 mean and 765 women was asked various questions pertaining to…

A:

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: Suppose that data are collected from a random sample of 48 male students and 91 female students at a…

A:

Q: Would it be unusual for the sample mean to be less than 2 ?

A: Would it be unusual for the sample mean to be less than 2 ?

Q: A pollster wishes to estimate the proportion of United States voters who favor capital punishment.…

A:

Q: We asked students in our class about the reading time per day. We got 57 responses (the sample size…

A: given data n = 57x = 4390% ci for p

Q: how importan

A: The five steps to sampling are: Identify the population. Specify a sampling frame. Specify a…

Q: About 10% of the population has a particular genetic mutation. 100 people are randomly selected.…

A: X= Number of people with the genetic mutation  p=probability of the population has a particular…

Q: HELP ASAP.

A: Question 6:Population 1:         Population 2 :        It is required to find the test statistics…

Q: Consider the following random sample of data: -8, -1, 1, -9, 4, 0, -7, 4, 0, 82 a) What is the mean…

A: (a) Here, = Sum of the data values. The sum of all the data values is 66. Now, Hence, Mean = 6.6

Q: 61.9% O 26.9% O 45.2%

A: Given, sample size(n)  = number of women in the study  = 650 175 out of 650 women said that they…

Q: Forty-minute workouts of one of the following activities three days a week will lead to a loss of…

A: Given information: The data represents the number of calories burned during 40-minute workouts for…

Q: If 2% of the components produced by a machine are defective. What is the variance of the number of…

A: According to the question, Number of components, n=300 Probability to be defective p =0.02

Q: The Toylot company makes an electric train with a motor that it claims will draw an average of only…

A: The provided information are:

Q: ter screens were randomly selected from a large collection of computer screens in a company’s…

A: A sample is a part of the population, which is selected from the population and if the sample is…

Q: Is sex associated with vision correction? She selects a random sample and records their sex and what…

A: Given The data is as follows:   Contacts Glasses None Total Female   69 42 135 Male 21   63…

Q: 2. A scientist is studying the effect of exercise on blood pressure. He studie 20 people who…

A: An observational study is a study where a researcher uses observed information to learn or study…

Q: Of all the pupils in a particular school, 45 % go to school by bus. In a random sample of 30 pupils,…

A:

Q: 9. In the city's entire commercial area, there has been a problem with shoplifting in the March-May…

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

Q: Difference tests are conducted to determine: A. the representative value in a given set of scores.…

A: "Difference tests are conducted to determine" We have to identify the correct option

Q: Assume you did an experiment with 3 groups and 16 subjects per group. The sample variances in the…

A: Given Information Number of Groups = 3 Total subjects = 16 x 3 = 48 s1 = 14 s2 = 16 s3 = 18…

Q: Forty-minute workouts of one of the following activities three days a week will lead to a loss of…

A: Here we have data of number of calories burned during 40 min workout for three different activities.…