According to the most recent General Social Survey, 70% of adults watch TV nightly. A researcher believes that the proportion of college students who watch TV nightly is less than this. To test this claim the research samples 400 college students and finds that 276 watch TV nightly. At the 0.05 level of significance does this data provide evidence to suggest that the proportion of college students who watch TV nightly is less than 70%? Select the correct hypothesis test for this problem:

Q: In statistical comparisons, a p-value represents the likelihood that an observation was merely due…

A: This question is asking us to examine Table 1 in a research article and determine which…

Q: In the state of Kentucky, there are 228 eight year olds diagnosed with ASD out of 18,462 eight year…

A: In the state of Kentucky, there are 228 eight year olds diagnosed with ASD out of 18,462 eight year…

Q: n general, if sample data are such that the null hypothesis is rejected at the ? = 1% level of…

A: α = 1% or 0.01   ___________________________    P-value (One Tailed ) = P-value (2 Tailed)2

Q: In 2016, the US poverty rate was 12.7%. During that year, 375 families where randomly selected in…

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

Q: shorter than 60 hours

A: For the given data : sample size, n = 10 sample mean, x̄ = 59.5 sample standard…

Q: You think that there might be a relationship between income and what type of outdoor activities…

A:

Q: Do sports drinks help prevent cramps in endurance sports? At the end of a marathon, officials will…

A: Observational study: In observational study, the individuals of the study are observed by the…

Q: According to the most recent General Social Survey, 70% of adults watch TV nightly. A researcher…

A:

Q: A researcher wants to see if there is a difference in APGAR scores of newborns depending on whether…

A: It is needed to test, whether there is a difference in APGAR scores of newborns depending on whether…

Q: A large no. of households is divided in separate groups according to their attributes. Test the null…

A: The chi-square test is used to test the association between the row and column variables in a two…

Q: Is the proportion of wildfires caused by humans in the south higher than the proportion of wildfires…

A:

Q: years old. A linguist believes the average age children learn a second language is less than the age…

A:

Q: In an attempt to determine why customer service is important to managers in the UAE, researchers…

A: Given Information:  Population mean (u) = 4.3 Standard size (s) = 0.574 Sample size (n) = 31  Level…

Q: According to the most recent General Social Survey, 70% of adults watch TV nightly. A researcher…

A:

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

A: sample size(n)=120 x=12 significance level(α)=0.05 claim is that the proportion may be lower than…

Q: The College of Graduate Studies at MNSU claims that more than 60% of undergraduate students at this…

A:

Q: Over the past few decades, public health officials have examined the link between weight concerns…

A: From the provided information, Sample size (n) = 273 From which 63 said they smoked to stay thin.

Q: A recent study randomly selected women from various countries around the world and collected…

A:

Q: The table below summarizes data from a survey of a sample of women. Using a 0.01 significance level,…

A: Option A is correct

Q: The researchers looked at 60 people who were infected with coronavirus. 35 of the subjects were…

A: This problem examines the severity of COVID-19 disease in relation to vaccination status. The…

Q: Recent reports suggest that children who grow up with family members who use drugs are more likely…

A: From the given information we conduct chi squared test.

Q: Suppose a survey of 899 college students who were asked about their smoking behavior. Of the…

A: Given Information : Suppose a survey of 899 college students who were asked about their smoking…

Q: A researcher seeks to determine whether college seniors are different from freshmen in their…

A: The hypothesis is an assumption that is being tested.

Q: Social networking is becoming more and more popular around the world. Pew Research Center used a…

A: Introduction: Denote p1, p2, p3, and p4 as the true proportions of adults using social networking…

Q: The following table shows the results of a survey in which 1017 adults from the United States, 1060…

A: (1)

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: West Virginia has the highest instances of lung cancer in the country (90.5 per 100,000). The…

A: Hypothesis testing plays a major role in research and development. To diagnose the underlying cause…

Q: 7. According to the February 2008 Federal Trade Commission report on consumer fraud and identity…

A: Solution: Given information: n= 1435 Sample size of complaints  x= 322 complaints of identity theft…

Q: A hypothesis test is conducted to determine whether the percentage of US adults that think marijuana…

A: Given,n=400x=144p^=xnp^=144400=0.36

Q: In a random sample of 315 people 90 of them were smokers. Based on the above sample test whether the…

A:

Q: Suppose that you have bivariate data for an entire population. a. How would you decide whether an…

A:

Q: At the 5% significance level, determine if the model is useful for predicting the number of weekly…

A: Solution: Given information: k= 4 independent variables  n= 26 observation

Q: We want to determine if the true proportion of students who do aerobics is less than 45%. Which are…

A: Suppose P is the true proportion of students who do aerobics.

Q: 19% of deaths among male adults can be attributed to heart diseases. Is this percentage different…

A: Solution: It is given that 19% of deaths among male students can be attributed to heart diseases.

Q: There is not enough evidence to show that population proportion of adults that have never been…

A: Given data number of success , x= 250.0 sample size, n = 97 population…

Q: A news article that you read stated that 58% of voters prefer the Democratic candidate. You think…

A: The following information is provided: The sample size is N=300N = 300, the number of favorable…

Q: In a poll of 1500 adults in July 2010, 795 of those polled said that schools should ban sugary…

A: n = 1500 x = 795 significance level = 0.05

Q: Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported…

A: Answers are in images uploaded below and calculation of p value is explained in last step. Thanks!

Q: Suppose we have the results of a Gallup survey (simple random sampling) which asks participants for…

A:

Q: ed on records in the past 5 academic years, the sophomore biology class has a mean score of 75. The…

A: In hypothesis testing, two hypotheses are formed, namely null and alternate hypotheses. The…

Q: A radio news story claimed that half of all U.S. adults have Internet access. In a national poll…

A:

Q: Burnout. According to a recent survey 45% of health care workers ages 18-29 reported feeling burnout…

A: Givensample size(n)=237p^=0.55According to a recent survey 45% of health care workers ages 18-29…

Q: c. The p-value = d. The p-value is e. Based on this, we should Select an answer f. Thus, the final…

A: From Part (b), the z test statistic is 2.234.

Q: Four scenarios of statistical studies are given below. Decide which study uses a population…

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.