Assume that 61% of population in USA vote for Candidate 1. The rest of population vote for Candidate 2. If we randomly select 36 people in town, 1. what is the center and dispersion of the proportion of voters supporting candidate 1 in the sample? Can you determine the (approximate) shape of the distribution? Why? 2. 3. What is the probability that the sample proportion supporting candidate 1 is less than 60%? What is the probability that the sample proportion of voters supporting candidate 2 is greater than 40% ?

Q: A genetics experiment involves a population of fruit flies consisting of 3 males named Alfonso,…

A: Introduction: Let us indicate the fruit flies by the first letters of their names, so that Alfonso…

Q: The average final exam score for the statistics course is 76%. A professor wants to see if the…

A:

Q: 23. Data is provided on a random sample of gymnasts competing the 2012 London Olympics. Answer the…

A: Given data is provided on a random sample of gymnasts competing in the 2012 London Olympics.   (a)…

Q: 2. Administrators at a hospital are concerned about the possibility of drug abuse by people who work…

A: Given Information: Consider the given study in which the hospital's administrators are concerned…

Q: A random sample of 1728 Texas government employees were selected for a study on race. The table…

A:

Q: Show the sampling distribution of p and explain answer 2. What is the probability that the sample…

A: p = population proportion = μp = 0.8 n = 100

Q: The average final exam score for the statistics course is 75%. A professor wants to see if the…

A: Given: μ=75n=12α=0.01 Sr. No. Data (x) 1 87 2 51 3 68 4 49 5 75 6 52 7 58 8 79…

Q: · People end up tossing 10% of what they buy at the grocery store. Assume this is the true…

A: a. The sampling distribution of p̅ is, Thus, the sampling distribution of p̅ follows normal with…

Q: A genetics experiment involves a population of fruit flies consisting of 1 male named Andre and 3…

A: Introduction: There is 1 male- Andre, and 3 females- Barbara, Charlene, and Dana, from among whom, 2…

Q: scores for the 14 randomly selected students who were given the colored pens are shown below. Assume…

A: Solution : For the given data : Given data : sample size, n = 14 sample mean, x̄ =…

Q: A sample of final exam scores is normally distributed with a mean equal to 20 and a variance equal…

A:

Q: b. What is the probability that the sample proportion will be between 0.20 and 0.40 (to 4 decimals)?…

A: Given: Population proportion, p=0.30 Sample size, n=100

Q: b. What is the probability that the sample proportion will be between 0.20 and 0.40 (to 4 decimals)?…

A: here from given information  p = proportion of firm order come from first time customer  = 0.30 n=…

Q: Notice that the expected frequencies are missing. What are the correct expected frequencies?

A:

Q: The average final exam score for the statistics course is 76%. A professor wants to see if the…

A:

Q: Let say you want to test whether the population distributions of the number of goals scored (in all…

A: The solution is :The degrees of freedom are calculated by k-1 , The degrees of freedom = k - 1 So…

Q: Employers want to know which days of the week employees are absent in a five-day workweek. Most…

A: Given : Day No. of Absences Monday 6 Tuesday 4 Wednesday 15 Thursday 3 Friday 7…

Q: About 61% of US adults want to reach their 100th birthday.  You randomly select 8 US adults.  The…

A: given data  P9reach their 100th birthday) = p = 0.61 sample size (n) = 8 x = no. of people reach…

Q: Are there any outliers in this distribution?

A: The data set is: 7 6 5 4 7 6 4 3 7 6 5 7 6 7 7 7 5 6

Q: Find the sample proportion of teenagers 13 to 17 years of age who use social media The sample…

A: It is given that Favourable cases(use social media), X = 158Sample size, n = 200

Q: Suppose the true proportion of voters in the county who support a specific candidate is 0.61.…

A: The mean of the sampling distribution of the proportion is given by; μp=p The standard error of the…

Q: A furniture company wants to know what percent of their customers are satisfied with the furniture…

A: The data on furniture purchases is provided as follows:Sample size, Proportion of satisfied…

Q: A random sample of adult men was asked if they would return the money if they found a wallet on the…

A:

Q: genetics experiment involves a population of fruit flies consisting of 3 males named Andre, Barry,…

A: Solution

Q: The average final exam score for the statistics course is 75%. A professor wants to see if the…

A: 1. For this study, we should use t-test for a population mean.

Q: The average final exam score for the statistics course is 77%. A professor wants to see if the…

A: a. It is assumed that μ is the population mean final exam score for students who are given colored…

Q: The assets (in billions of dollars) of the four wealthiest people in a particular country are 28,…

A: { 28,26,18,14 }  Sample size (n=2)  {(28,28),(28,26),(28,18),(28,14) (26,28),(26,26),(26,18),(26,14)…

Q: Below are the results of two polls of random samples of high school seniors and juniors, who were…

A:

Q: Suppose a random sample of 1389 Californians who own their own homes were surveyed. The table below…

A:

Q: Employers want to know which days of the week employees are absent in a five-day workweek. Most…

A:

Q: a. For this study, we should use t-test for a popułation mean b. The null and alternative hypotheses…

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

Q: The final exam score for the statistics course is 75%. A professor wants to see if the average final…

A: Note: Hey there! Thank you for the question. As you have posted multiple sub-parts, we have helped…