which of the following is the p-value calculated in the hypothesis test for the accuracy of the proposed opinion?

Q: A driver's education course compared 1,500 students who had not taken the course with 1,850 students…

A:

Q: Suppose 247 subjects are treated with a drug that is used to treat pain and 55 of them developed…

A: Solution: Let X be the number of subjects developed nausea and n be the number of subjects are…

Q: Suppose 234 subjects are treated with a drug that is used to treat pain and 55 of them developed…

A: Here, the claim of the test is that more than 20% of users develop nausea. This is representing in…

Q: A minority group (A) and a majority group (B) took the Fire Captain Examination.  It has been…

A: The question is about categorical data analysis Given : No. of people passed the test from group  A…

Q: in an investigation on the effect of cigarette smoking on cognitive ability, jects were classified…

A: Solution: Given information: n= 47 total number of observation. k= 3 groups α=0.05 Level of…

Q: An online poll asked " do you believe the Loch Ness monster exist?" Among 22,306 responses, 68% were…

A: From the provided information, Sample size (n) = 22306 Sample proportion (p̂) = 0.68 Level of…

Q: A basketball player claims that the success of his shots is more than 70%. If this player scored 152…

A: From the data given: x=152 n=200 p^=xn=152200=0.76   Null and Alternate Hypothesis: H0: p=0.7 Ha:…

Q: In a recent presidential election, 611 voters were surveyed and 305 of them said they voted for the…

A:

Q: Among 200 randomly selected Internet users, it was found that 89 of them use the Internet for making…

A:

Q: A report claims that 46% of full-time college students are employed while attending college. À…

A: Given,n=60x=26p^=xnp^=2660=0.4333α=0.10

Q: Consider a drug testing company that provides a test for marijuana usage. Among 308 tested subjects,…

A:

Q: The percentage of physicians who are women is 32.4%.  In a survey of physicians employed by a large…

A: This problem can be solved by using test of significance for single proportion. In usual notations,…

Q: A study involved identical twins where one of the twins smoked and the other twin did not smoke.…

A: 1). The hypothesis can be constructed as:Null hypothesis, H0: Smoking and heart disease are…

Q: In a survey of 800 parents, 632 said that music education has a positive effect on academic…

A: Sample size (n)=800 632 said that music education has a positive effect on academic performance We…

Q: In a survey conducted by the Pew Reasearch Center in the U.S. from September 7 to 12 in 2021, 85% of…

A: When the proportion is normally distributed then the test statistics are given by the formula,…

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: From the provided information, Sample size (n) = 54 Out of which 35 involved an intoxicated driver.…

Q: An online poll​ asked: "Do you believe the Loch Ness monster​ exists?" Among 20 comma 257…

A:

Q: Construct a 95% confidence interval for the difference between population proportion of voters in…

A:

Q: study-dataset/data). This long-term study collected data on 16 risk factors and ten- year risk of…

A:

Q: When 302 college students are randomly selected and surveyed, it is found that 122 own a car. What…

A: E have to find point estimate with with confidance interval..

Q: A random selection of 625 students from Karabük University Faculty of Business Administration was…

A:

Q: Suppose 239 subjects are treated with a drug that is used to treat pain and 53 of them developed…

A: The objective of this question is to test the claim that more than 20% of users develop nausea after…

Q: 2. n(1-P)= 3. N= If no N is given in the problem, use 1000000 N: Name the procedure The conditions…

A: Point and Interval estimate

Q: 29 ties when the value of the second variable is subtracted from the corresponding value of the…

A: Given that 341 positive signs, 283 negative signs, and 29 ties when the value of the second variable…

Q: Historically, the percentage of U.S. residents who support stricter gun control laws has been 55%. A…

A: Solution: 8. Let X be number people are in favor of stricter gun control and n be the sample number…

Q: Suppose 201 subjects are treated with a drug that is used to treat pain and 52 of them developed…

A: State the hypotheses. That is, the proportion of users develop nausea equals 0.20. That is, the…

Q: In a Gallup poll of 514 HR professionals, 45.9% said that body piercings and tattoos were big…

A: given, sample size (n) = 514 sample proportion (p^) = 45.9%  =  0.459 true proportion (p) = 50%  =…

Q: A recent study focused on the method of payment used by college students for their cell phone bills.…

A: The claim is that majority of college students' cell phone bills are paid by their parents.

Q: Consider a drug testing company that provides a test for marijuana usage. Among 299 tested​…

A: given data  n = 299 x = 29 claim : p < 0.10 we have to find null and alternative hypothesis.

Q: ative signs, and 29 ties when the value of the second variable is subtracted from the corresponding…

A: Given: There are 317 positive results from the matched pairs of data from a survey of internet users…

Q: After conducting a study to determine the gender of characters which appear most on cereal boxes,…

A: The objective of this question is to test the manager's belief that male characters appear more…

Q: According to a survey by the Consumer Reports National Research Center of 1003 adults, 542 adults…

A: To test the claim that more than 50% of the adults are annoyed by food that does not look or taste…

Q: What are the correct hypotheses? (Select the correct symbols and use decimal values not percentages.…

A: As per our guidelines, we are allowed to answer first three sub-parts only . Thanks The following…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 308 tested subjects,…

A: Given,n=308x=29p^=xnp^=29300=0.0967α=0.05

Q: At the turn of the year 2009, a survey was conducted among 2,500 Icelanders on their attitudes…

A: From the provided information, Sample size (n) = 2500 Out of which 1577 were in favor. Sample…

Q: with a drug that is used to treat pain and 50 of them developed nausea. Use a 0.01

A: Here it is given that - Total number of sample (n) = 247 Sample proportion (p) = 50247=0.202 So, q =…

Q: Among 200 randomly selected Internet​ users, it was found that 89 of them use the Internet for…

A: We have given that  Sample size n= 200 Favorable cases x = 89 Sample proportion p^=x/n

Q: Select the appropriate null and alternative hypothesis for the following research question: Does a…

A: Claim : Does a different proportion of people enjoy playing video games compared to those who enjoy…

Q: An online poll​ asked: "Do you believe the Loch Ness monster​ exists?" Among 22,213 ​responses, 64​%…

A: The hypothesized p value is 0.50.

Q: Suppose 241 subjects are treated with a drug that is used to treat pain and52 of them developed…

A: Solution: State the hypotheses Null hypothesis: That is, the proportion of users develop nausea is…

Q: Write appropriate hypotheses, find the p-value and explain your results.

A: For freshmen, sample size n1 = 200 and number of freshmen who agree with a plan to limit enrollment…

Q: A new online test preparation company compared 3,025 students who had not used its program with…

A: X1=3025, X2=1100, n2=2150

Q: A national survey conducted in 2011 among a simple random sample of 1507 adults shows that 56% of…

A: p^=0.56n=1507

Q: Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials,…

A: Given: The sample number of patients treated is n=6103. The number of patients who developed adverse…

Q: Suppose 220 subjects are treated with a drug that is used to treat pain and 51 of them developed…

A: Given, The sample proportion is, The null and alternative hypothesis is:

Q: A researcher is interested in determining whether there is a difference in male college students and…

A: Given, No. of female students surveyed (n1) =82 No. of female students who preferred online classes…

Q: Suppose 219 subjects are treated with a drug that is used to treat pain and 55 of them developed…

A: It is given asPopulation proportion, p = 20% = 0.20Favourable cases, x = 55Sample size, n =…