Several years ago, 35% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked1,195 parents who have children in grades K-12 if they were satisfied with the quality of education the students receive. Of the 1,195 surveyed, 483indicated that they were satisfied. Construct a 99% confidence interval to assess whether this represents evidence that parents' attitudes toward thequality of education have changed.What are the null and alternative hypotheses?Ho: pversus H,: p(Round to two decimal places as needed.)

here given , Several years ago, 35% of parents who had children in grades K-12 were satisfied with…

Answered: indicated that they were satisfied.…

indicated that they were satisfied. Construct a 99% confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

See similar textbooks

Related questions

Q: Part 4 of 6 (c) Find the probability that the proportion of individuals in the sample of 65 who have…

A: Given p=0.23, n=65

Q: Which are the correct null and alternative hypotheses?

A: Test is that whether the number of hours he travel to go to school is 1 hour.

Q: A surgeon would like to know how long it takes, on average, to complete a coronary artery bypass…

Q: QUESTION ONE a) A city council is studying the tourist trade. During a certain year, the mean…

A: Given Information: Mean μ=550 Variance σ2=6400 Sample size n=10

Q: a) What are the missing expected cell counts? b) Explain why we can apply the chi-squared test of…

A: The question is based on a chi square test Given :

Q: What is the multiple testing problem? Why is the Bonferroni adjustment conservative for GWAS data…

Q: Do you think the donation rate would drop?

Q: The mean per capita income is 17.145 dollars per annum with a standard deviation of 505 dollars per…

Q: 1. If the random variable X follows a binomial distribution with n = 5 and p = 0.8. a) What is the…

Q: In a random sample of five mobile devices, the mean repair cost was $80.00 and the standard…

A: Given Sample=5 Mean=80 Standard deviations=14

Q: Miguel has a bag with 8 balls numbered 1 through 8. He is playing a game of chance. This game is…

A: Given that, Miguel has a bag with 8 balls numbered 1 through 8. He is playing a game of chance.

Q: The third worksheet labeled sample B is a simple random sample with replacement, with seven…

A: Population standard deviation(σ)=4 Sample size(n)=7 The given observations are…

Q: The chi-squared test statistic is X 6. 8. O 10 12

Q: 3. The student council at a local high Simple Random Sample school is collecting data to determine…

A: It is needed to selected the proper sampling method.

Q: In response to concerns about nutritional contents of fast foods, McDonald's announced that it would…

Q: Identify the rejection region. Follow the given steps in identifying the appropriate ejection…

A: From the given information we find the rejection region. (-∞, -2.7079] ∪ [2.7079, ∞)

Q: According to the American Pet Products Manufacturers Association, cat owners spend an average of…

Q: In a survey of 1135 adults, 65% responded "yes" to the survey question. How many adults answered…

Q: Trials in an experiment with a polygraph include 96 results that include 23 cases of wrong results…

A: Given that Sample size n =96 Favorable cases x =73 Sample proportion p^=x/n =73/96 =0.7604

Q: Select a Level of Significance, α A 5 percent significance level has been selected. What is the…

A: The level of significance is 0.05.

Q: The following are the number of hours traveled by a senior high school student to go to school every…

A: Solution-: Given: μ0=1,α=0.01 For the given data we find, (6) Test statistic =? (7) Decision (8)…

Q: Three years ago, the mean price of an existing single-family home was $243,745. A real estate broker…

Q: The distribution of scores on the SAT is approximately normal with a mean of u = 500 and a standard…

A: Mean(μ)=500 Standard deviation(σ)=100 The objective is to find the min. SAT score needed to be…

Q: 19. Suppose that you read an article about a study showing that senior citizens who get the flu shot…

A: The article shows that senior citizens who get the flu shot are 27% less likely to be hospitalized…

Q: A field experiment designed as a RCBD to investigate the effects of four different types of…

A: Ho: All groups subjected to the different fungicide types have the same mean yield of potatoes. Ha:…

Q: The scores of the students are normally distributed with a mean of 85 and a standard deviation of 4.…

Q: In a village, power cuts occur randomly at a rate of 3 per year. Find the probability that in a…

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A: Solution:- Given data DriverIntoxicated Pedestrian Intoxicated yes Pedestrian Intoxicated no…

Q: What test statistic is applicable in this situation? 2-test O b. Pearson's r test O c. t-test O d.…

A: Test is that whether the average number of hours he travel to go to school is 1 hour. It is given…

Q: a. What is the p value of the test of B2 = 0? b. B1 + 2B2 = 5? с. В — В2 + 2B3 3 5?

Q: Summary data Fall semester Spring semester Number of students Mean final exam score Standard…

A: From the given information we find the correct Option.

Q: The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3…

A: Given that - Test Score Frequency 3 3 4 2 5 3 6 3 7 1 8 2 9 1 10 2

Q: If a researcher conducts 37 tests, each with an alpha = .05, what is the probability that the…

A: Given that the researcher conducts 37 tests, each with an alpha is 0.05. That is, n=37 and α=0.05…

Q: Given the estimated linear model shown below, complete the following computations. y = 11 + 6x, +…

A: Given X1=31 X2=9 X2=23

Q: Complete the table of the needed values for Pearson's r and answer the following questions: What is…

A: total of y^2 = ? total of x^2 =? total of x =? total of y = ? total of xy = ?

Q: An engineer wants to determine how the weight of a car, x, affects gas mileage, y. The following…

A: Use EXCEL to determine the regression equation. EXCEL procedure: Go to EXCEL Go to…

Q: Question 6 Points 1 Compute the probability of getting face 1 when we roll a die.

Q: For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c)…

A: Given n1=40 n2=60

Q: late the coefficient of determination. nd to three decimal places as needed.)

A: r=0.324

Q: In a random consumer survey, randomly selected drivers of Porsche, Mercedes, and BMW were asked to…

A: For the given data Find the value of ss total =?

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that n = 2 ,p =0.4 P ( x =2 ) =?

Q: Interpret

A: Given,For not married : sample size (n1) = 39sample mean (x̄1) = 22.9sample standard deviation (s1)…

Q: Age(x) 8 15 22 27 34 40 Sleep (y) 8 8 7 7 5 6

A: We have given that, X :- 8, 15, 22, 27, 34, 40 Y:- 8, 8, 7, 7, 5, 6 Then, We will find the…

Q: After gathering data about the number of starfish and measuring the pollution in areas of the ocean…

Q: The volume (in cubic feet) of a black cherry tree can be modeled by the equation y = - 50.8 + 0.3x,…

A: Given datay⏞=-50.8+0.3x1+4.5x2And givenx1=70x2=8.6

Q: The mean serum cholesterol level for U.S. adults was 198, with a standard deviation of 39.3 (the…

Q: A previous study claims that the average time a teenager spends browsing his social media accounts…

A: Sample size(n)=100 Population mean(μ)=6 Sample mean(x)=5.5 Standard deviation(σ)=0.5

Q: 4 4 3 3 0 16 0 6 5 3 4 2 2 5 5 6 1 1 0 6 5 0 3 7 3 4 3 6 1 2 3 8 15 15 14 15 4 13 16 12 10 16 15…

A: The objective is to construct the frequency distribution for the given data.

Q: Listed below are the numbers of cricket chirps in 1 minute and the corresponding temperatures in °F.…

A: Use EXCEL to determine the regression equation. EXCEL procedure: Go to EXCEL Go to Data>Data…

Q: m consumer survey, randomly selecte e asked to rank their satisfaction with where higher values…

A: Given, Sample Porsche Mercedes BMW 1 10 8 0 2 8 6 4 3 6 10 2

Question

Several years ago, 35% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked
1,195 parents who have children in grades K-12 if they were satisfied with the quality of education the students receive. Of the 1,195 surveyed, 483
indicated that they were satisfied. Construct a 99% confidence interval to assess whether this represents evidence that parents' attitudes toward the
quality of education have changed.
What are the null and alternative hypotheses?
Ho: p
versus H,: p
(Round to two decimal places as needed.)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here