proportion of only children in the special program is significantly different from the proportion to the school district test at tge

Q: According to a survey of 5041 Star Trek fans conducted in 2010, 2873 are females. Use this data to…

A: Null Hypothesis: H0: p<=0.5 Alternative Hypothesis: H1:p>0.5 Given that x=2873 and n=5041…

Q: we predict that children exhibit more aggressive acts after watching a vilent television show. The…

A: Provided information is, it is predicted that: children exhibit more aggressive acts after watching…

Q: A recent drug survey showed an increase in the use of drugs and alcohol among local high school…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Suppose the p-value for a two-tailed test equals 0.0463 and the level of significance equals 2.5%.…

A: If p-value > significance level, then the we fail to reject null Hypothesis If p-value <…

Q: Past studies have indicated that the percentage of smokers is estimated to be about 33%. Given the…

A:

Q: Three composition instructors recorded the number of spelling errors which their students made on a…

A:

Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Given, n=119, x=31, α=0.05 Then, p^=31119=0.260504

Q: A software company is interested in improving customer satisfaction rate from the 61% currently…

A: It is given that x=176, n=267 and P=0.61.

Q: In a certain school district, it was observed that 29% of the students in the element schools were…

A: Determine the hypothesized population proportion for the given test. The hypothesized population…

Q: The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest…

A: Given data represents the SAT math test scores for a sample of students whose parents are college…

Q: in october 1947 the gallup organization surveyed 1000 adult americans and asked are you a total…

A: We have given thatn1 = 1000 , x1 = 378n2 = 1000 , x2 = 333Significance level (α) = 0.05Now,p̂1 =…

Q: The admisnistrators of Rowan university wants to know more about the knowledge of students regarding…

A: State the given values. Now, we know that

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: nousc 12.73 (M3, M4, M5, P1) How much money do people spend on graduation gifts? In 2016, the…

A: Given data normally distributed with mean of $53.73, sample standard deviation of $20 and sample…

Q: If Q1 is the value for which 25% of observations are smaller, then A. Only 25% of the observations…

A: Three values, i.e., Q1, Q2 and Q3 called quartiles, divide sorted data into four equal portions with…

Q: A software company is interested in improving customer satisfaction rate from the 75% currently…

A:

Q: Ten individuals are chosen at random from a normal population and their heights are found to be 63,…

A: Denote μ as the population mean height.

Q: Suppose that an anxiety measure has a mean of 106 and SD of 20. The researcher only wants to work…

A:

Q: An online shop owner believes that 85% of her customers will want to go into a real store. She…

A: It is given that the an online shop owner believes that 85% of her customers will want to go into a…

Q: A cardiologist is interested in the mean recovery time of her patients who have had heart attacks.…

A: The cardiologist has a total of 52 patients under her care.Among these 52 patients, 30 patients have…

Q: Twenty years ago, 56% of parents of children in high school felt it was a serious problem that high…

A: The hypothesized proportion is 0.56.

Q: The p-value is approximately 0. What can we conclude about our situation? Pick only one. We have…

A: According to the given information in this questionWe need to identify the correct option

Q: 4. At CPU, it is estimated that fewer than 25% of the students have cars on campus Does this seem to…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Past studies have indicated that the percentage of smokers was estimated to be about 34%. Given the…

A: given data, claim:p<0.34x=553n=1783p^=xn=5531783=0.3102we have to find out the test statistics…

Q: A magazine invited women to visit their site to complete a surgery and 1500 respondents responses…

A: A magazine invited women to visit their site to complete a surgery and 1500 respondents responses…

Q: Kids with cell phones: A marketing manager for a cell phone company claims that more than 55% of…

A: Given: n= 802 ,x= 449.0 p= 0.55 ,significance level(∝)= 0.01 p̂= 449.0 / 802…