has been reported that 65% of the U.S. adult population play video games in their leisure time. A random sample of 195 U.S. adults found that 125 played video games. At α = 0.01, is there sufficient evidence to conclude that the proportion differs from 65%? What is the test statistic for this hypothesis test?

Q: A study found that 80% of teenagers use social media on a regular basis. John wants to investigate…

A:

Q: The Human Society of South Africa reports that there are approximately 77.5 million dogs owned in…

A: Givensample size(n)=300No.of households said that they owned atleast one…

Q: In an article about unusual allergies, a doctor explained that allergy to sulfites is usually seen…

A: Given,n=500x=33p^=33500=0.0661-p^=1-0.066=0.934α=1-0.95=0.05α2=0.025Z0.025=1.96     (from Z-table)

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A: From the given information, let X be the number of families were found to be living below the…

Q: According to shopper data, 97% of households purchase Plan: The analyst should carry out a z-test…

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Q: The National Institute of Mental Health published an article stating that in any one-year period,…

A: Step 1: State the hypothesis We are testing to see if the population proportion is more than 8.9% or…

Q: Women: 53 patients had high blood pressure Required: Test Value Only the final answer should be…

A: Given :   n1= 168 n2= 168 significance level, 0.05 sample proportion p̂1…

Q: The 90% confidence interval is from to (Round to three decimal places as needed.)

A: Given,n=400x=32p^=32400=0.08α=1-0.90=0.10α2=0.05 Zc=1.645     (use excel formula =NORM.S.INV(0.90 +…

Q: In an article about unusual allergies, a doctor explained that allergy to sulfites is usually seen…

A:

Q: In a National Institute on Alcohol Abuse and Alcoholism survey, 33% of American adults said that…

A: Given: n= 2300 ,x= 805 p= 0.33 ,significance level(∝)= 95.0 p̂= 805 / 2300 =define hypothesis;-

Q: Are young people more in tune with environmental issues than older people? The Pew Research Center…

A: GIven Information: Number of people aged 18-29 years = 197  Number of young people who said yes =…

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A: Given : sample size = n = 1000 x = 650 p^ = xn   = 6501000   = 0.65

Q: Browsing on the mobile device. A 2012 survey of 2292 American adults indicates that 20% of cell…

A:

Q: Comparing p-value and α value, which is the correct decision to make for this hypothesis test?  A.…

A: We want find test statistics , P-value,  decision and conc

Q: The National Institute of Mental Health published an article stating that in any two-year period,…

A: Let P be the true proportion of American adults suffer from depression or depressive illness. Here…

Q: The National Institute of Mental Health published an article stating that in any one-year period,…

A: given data claim : p > 0.091n = 2000p^ = 0.105α = 0.01

Q: In an article about unusual allergies, a doctor explained that allergy to sulfites is usually seen…

A: Givenx=39n=600p^=xn=39600=0.065

Q: A 2012 survey of 443 American adults indicates that 16% of cell phone owners do their browsing on…

A: Sample size of Americans adults is 443, that is, n = 443. It is given that the proportion of cell…

Q: A poll surveyed 503 video gamers, and 106 of them said they prefer playing games on a console rather…

A: Denote p as the true proportion of video gamer, who said they prefer playing games on a console…

Q: A survey by a magazine stated that 14% of men said they used exercise to reduce stress. A random…

A: Solution: Given information: n= 100 Sample size of men x= 10 men said they used exercise to relives…

Q: Labor Day was created by the U.S. labor movement over 100 years ago. It was subsequently adopted by…

A: Given : The number of adults who said yes = 650

Q: The null and alternative hypotheses would be: Ho: ?v Select an answerv (please enter a decimal) H1:…

A:

Q: An antidepressant has historically been known to relieve depression for 65% of patients who use the…

A: Givenn=250x=143p^=xn=143250=0.572α=0.05

Q: According to the Pew Research Center, 14% of adults rate basketball as their favorite sport. Your…

A: Given P=14%, n1=120, x1=12, α=0.05

Q: A state's Division of Motor Vehicles (DMV) claims that 60% of all teens pass their driving test on…

A: The question is about confidence interval.Given : Null and alternative hypotheses :Confidence…

Q: The US Department of Energy reported that 52% of homes were heated by natural gas. A random sa 300…

A: Comment: As per the our company guidelines we are supposed to answer only one question. Kindly…

Q: The National Cancer Institute conducted a 2-year study to determine whether cancer death rates for…

A: Solution: The null and alternative hypothesis are  Ho: p= value for areas without nuclear…

Q: The National Institute of Mental Health published an article stating that in any one-year period,…

A: a.H0​:p=0.088H1​:p>0.088c. 3.9465d. 0.0000e. reject the null hypothesis f. There is enough…

Q: has been found that 25.1% of men (Group 1) 20 years and older suffer from hypertension (high blood…

A: Givan It has been found that 25.1% of men (Group 1) 20 years and older suffer from hypertension…

Q: A 2012 survey of 417 American adults indicates that 15% of cell phone owners do their browsing on…

A: a) Stating the appropriate null and alternative hypotheses: The hypotheses are given below: Null…

Q: Homechooling has become very popular in the United States, and many colleges try to attract students…

A: The following information has been provided: Hypothesized Population Proportion (p0​) (90% of…

Q: The National Institute of Mental Health published an article stating that in any one-year period,…

A: a) Null hypothesis: Ho​:p=0.088Alternate Hypothesis: Ha​:p>0.088c) test statistic is 4.7358 or…