recent study revealed that 49% of adult Americans believe human activity contributes a great deal to climate change. In a random sample of 620 adult Americans, how many do you expect to believe human activity contributes a great deal to climate change? Round your final answer to a whole number. please show your work !

recent study revealed that 49% of adult Americans believe human activity contributes a great deal to climate change. In a random sample of 620 adult Americans, how many do you expect to believe human activity contributes a great deal to climate change? Round your final answer to a whole number. please show your work !

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2CYU

See similar textbooks

Related questions

Q: Chapter 9 Hypothesis Tests emolqqu2 .8 ounces is filling mechanism. From past data, a population…

A: The question is about hypo. testing Given : Popl. mean filling weight ( μ ) = 16 ounces Popl. std.…

Q: You roll a die. If it comes up a 6, you win $200. If not, you get to roll again. If you get a 6 the…

Q: A nutritionist claims that the mean tuna consumption by a person is 3.2 pounds per year. A sample of…

Q: Using the data given in the table below, answer the following questions. (Round your final answers…

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

Q: What are the appropriate statistical hypotheses for this study given that a directional alternative…

A: Test is that whether andro steroid increase strength of athletes.

Q: The manufacture of a certain part requires two different machine operations. The time on machine 1…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Introduction: It is required to find the probability that the bone density score is less than –1.32,…

Q: Find the critical value(s) for a left-tailed z-test with α=0.09. The critical value(s) is(are)…

Q: According to a recent poll, 62% of residents from a certain large region took a Vacation away from…

A: given data,probability of resident from a certain large region took a vacation away from home in…

Q: a. What is the probability that installation will require less than 4 hours to complete? b. What is…

A: It is given that the installation time for a residence follows the Uniform distribution with a…

Q: or an independent sample t-test, what is the numerator of the t-test equation or the…

A: Given that , For an independent sample t-test, what is the numerator of the t-test equation or…

Q: QUESTION 35 An assumption made about the value of a population parameter is called a(n) O a.…

Q: QUESTION 36 The probability of committing a Type I error when the null hypothesis is true as an…

A: we have to find the term used for the probability of committing type 1 error when the null…

Q: If n=29, ¯xx¯(x-bar)=34, and s=4, find the margin of error at a 99% confidence level

A: Givensample size(n)=29Mean(x)=34standard deviation(s)=4confidence level=99%

Q: Each observation in a random sample of 99 bicycle accidents resulting in death was classified…

A: The expected value = ΣXi/n here sample size is n=7 Then expected value = (13+12+11+16+15+18+14)/7…

Q: A continuous random variable X has the probability density function 0, hx - h, 3h-hx, 0, which can…

Q: A population of values has a normal distribution with μ=148.2μ=148.2 and σ=37.1σ=37.1. You intend to…

A: Given that n=118 μ=148.2σ=37.1

Q: 11 students were invited to the Mayor's Ball from the city. Below are their ages 3 14 7 10 16 12 17…

A: Formula: Mean= sum of the total observations divide by total number of observation.

Q: A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola…

A: Given information, Claim : A company that makes cols drinks states that the mean caffeine content…

Q: 17. An epidemiologic investigation has determined the following relative risk estimates pertaining…

A: Relative risk: It is the ratio of the chance of a certain event happening in one group compared to…

Q: An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is x = 1.22 and the…

A: Given that X bar = 1.22 , n= 20, s= 0.30

Q: According to the Centers for Medicare & Medicaid Services, 21% of nursing homes in the United States…

A: Let p be the probability of nursing homes in the United States received five stars in overall…

Q: Select all that apply concerning a confidence interval: O considers variations from sample to sample…

A: From the above data The correct option are Consider variations from sample to sample Has practical…

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

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subparts…

Q: For a uniform random variable U∼U(17,28)U∼U(17,28), find the probability P(U>26)P(U>26):…

A: The question is about uniform distribution Given : U ~ U ( 17, 28 ) To find : P ( U > 26 )

Q: a) Are the outcomes of the two contracts bids independent? Explain. OA. No; the outcome of the first…

A: Let us define some events A : you get contract 1. B : you get contract 2. It is given that P(A) =…

Q: Construct a box plot from the given data. Use the approximation method. Scores on a Statistics Test:…

A: Data given 58,61,87,45,68,80,86,92,68,79

Q: -what is the T observed? -Calculate the upper boundary of the 95% confidence interval -Calculate the…

A: Given Men Women 16 18 17 15 15 16 14 16 16 14

Q: State whether the standardized test statistic z indicates that you should reject the null…

A: (a) Z=1.947 (b) Z=2.043 (c) Z=-1.769

Q: PROB AND STATS ET-RANGE AND IQR WEEK 6 MR.SAM Below are the ages of 12 students found in the…

A: Data given 3,14,15,17,7,8,13,14,12,9,10,16

Q: Given the graph where the mean is marked which best valle best Represents the Z-Score Shown L 2 2=2…

A: We have given, The graph and the z-values. We have to find. Which best values showes the graph ?

Q: The weight of a particular variety of watermelon is known to be Normally distributed with mean 14.2…

A: It is given that Mean, μ = 14.2 Standard deviation, σ = 0.66 Z-Score, Z = ( X - μ )/σ

Q: Write a sentence demonstrating how the results from the hypothesis test and the confidence interval…

A: From the results, the 90% confidence interval to estimate the mean exam score is (68.6670, 75.7331).

Q: In a survey, 28 people were asked how much they spent on their child's last birthday gift. The…

A: It is given that Sample mean = 46 Sample standard deviation = 10 Sample size = 28

Q: Express the confidence interval (180.4,344)(180.4,344) in the form of ¯x±MEx¯±ME.

A: GivenConfidence interval (180.4,344)Upper limit=344Lower limit=180.4

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1010 dollars. Assume the…

A: Given,mean(μ)=1010standard deviation(σ)=266sample size(n)=78

Q: An automatic filling machine in a factory fills bottles of ketchup with a mean of 14.8 oz and a…

A: From the provided information, Mean (µ) = 14.8 Standard deviation (σ) = 0.08 X~N (14.8, 0.08)

Q: QUESTION 40 The p-value is a probability that measures the support (or lack of support) for O a. the…

A: The given statement is 'The p-value is a probability that measures the support (or lack of support)…

Q: What are the values missing from this ANOVA summary table? (Note. Values are provided to 3 decimal…

A: It is given that the ANOVA table with some missing values. Here, need to find out the correct values…

Q: Much concern has been expressed regarding the practice of using nitrates as meat preservatives. In…

Q: QUESTION 30 An estimate of a population parameter that provides an interval of values believed to…

A: It is given that the statement. Here, need to find out the correct choice for the given statement.

Q: Which of the following tests are used to test hypotheses about quantitative data? (Select all that…

A: From The given options we need to select all that apply that are used to test hypotheses about…

Q: Let X and Y be independent uniform random variables on (0, 1). Find their joint density function f…

A: Given that X and Y are independent variables. X~U(0,1) and Y~U(0,1)

Q: The intercept value is: (Keep one decimal place)

A: Find the regression equation using Excel. Excel procedure: In Excel sheet, enter Year in one column…

Q: sampled at different stores in a major city. Construct a 99% confidence interval estimate of the…

Q: Use the following information to answer the next exercise. X ~ N(54, 8) Find the probability that…

A: According to the given information, we have Mean = 54 Standard deviation = 8 The distribution is…

Q: Can you draw a tree diagram to show all the possible combinations of volunteers who might go with…

A: Given that, as president of the high school band, Catrina needs to pick a committee of 2 to…

Q: A brewery claims that the mean amount of beer in their bottles is at least 12 ounces. Determine…

A: Given that, a brewery claims that the mean amount of beer in their bottles is at least 12 ounces.

Q: A clinical trial was conducted to test the effectiveness of a drug used for treating insomnia in…

A: Given n=29, s=44.6=sample standard deviations Level of significance ɑ=0.10

Q: Attempt Progress The weights of bags filled by a machine are normally distributed with a standard…

Question

A recent study revealed that 49% of adult Americans believe human activity contributes a great deal to climate change. In a random sample of 620 adult Americans, how many do you expect to believe human activity contributes a great deal to climate change? Round your final answer to a whole number.

please show your work !

Expert Solution