A publisher reports that 74% of their readers own a particular make of car. A marketing executive wants to test the claim that the actual percentage is actually less than the reported percentage. A random sample of 310 found that 70% of readers owned a particular make of car. Is there sufficient evidence at the 0.02 level to support the executive's claim? Round p-value to four decimal places. p-value =  Conclusion (write R for "reject H0", and F for "fail to reject H0"):

Q: A random sample by the National Institutes of Health included 2253 men to determine the proportion…

A: Given x=986 n=2253

Q: An attorney claims that more than 25% of all lawyers advertise. A sample of 200 lawyers in a certain…

A: Claim:p>0.25   n=200       x=63       p∧=xn=63200=0.315   α=0.05 ∴H0:  p=0.25     H1:   p>0.25…

Q: given as + Choose th

A: The margin of error is the amount of random sampling error in the results of a survey. The larger…

Q: A magazine provided results from a poll of 1500 adults who were asked to identify their favorite…

A: Given that a magazine provided  results from a poll of 1500 adults who were asked to identify their…

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1084 adults, 86% said that…

A:

Q: A publisher reports that 65% of their readers own a laptop. A marketing executive wants to test the…

A: Here the given information is A publisher reports that 65% of their readers own a laptop. A…

Q: A poll of 1,750 people suggested that 56% of respondents regularly watch tv shows through streaming.…

A: Given,n=1750p=0.56q=1-0.56=0.44

Q: Compute the p-value. Round to three decimal places.

A: Given Information,: We have number of sample n= 2027  Number of favourable x= 485 number of people…

Q: Part 1 of 4 (a) What Is the probablity that six or more of them used their phones for guldance on…

A: Given : Probability of success,p = 0.57 Number of trials,n = 14

Q: According to a survey conducted by the Association for Dressing and Sauces, 85% of American adults…

A: Given, P0 = 0.85 n= 200 x = 171

Q: A study was conducted to explore the relationship between a girl's birth order and her chance of…

A:

Q: QUESTION 8 A study was conducted to determine if there is a relationship between a person's blood…

A: Step 1: Since you have asked multiple questions we will solve the first question for you. If you…

Q: A publisher reports that 22% of their readers own a laptop. A marketing executive wants to test the…

A: Denote p as the true proportion of readers, who own a laptop. It is reported that 22% of their…

Q: If I were to calculate the z-score for your final grade in this class, which z-score would you least…

A: If I were to calculate the z-score for your final grade in this class, which z-score would you least…

Q: A sample of 120 low-income individuals and a sample of 230 high-income individuals were surveyed…

A: Let:Population 1 = low-income individualsPopulation 2 = high-income individuals Formula for test…

Q: A publisher reports that 24% of their readers own a particular make of car. A marketing executive…

A: z-test for one-proportion A one-proportion z-test is a statistical method for hypothesis testing…

Q: Please answer number 15.

A: The hypotheses are given below:Null hypothesis:H0 : p = 0.50.Alternative hypothesis:Ha : p >…

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: Assume that the average home price in the U.S. is µ = $292,700 with o = $60,000. A local real estate…

A: Hypothesis: The null and alternative hypotheses are below: H0: μ=292,700H1: μ>292,700 The test…

Q: Suppose a random sample of 5804 physicians in Colorado showed that 3145 provided at least some…

A:

Q: A study done in 1997 showed that 4.7% of mothers smoked cigarettes during their pregnancy. An…

A:

Q: In the past, 70% of the tourists who visited Dubai went to see Burj Khalifa. The management of Burj…

A: From the provided information, In past, 70% of the tourists who visited Dubai went to see Burj…

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: Claim: More than 53% adults would erase all of their personal information online if they could. A…

A:

Q: In a study about children's pocket money, two samples of schoolchildren were asked how much money…

A: Combined mean=n1x1+n2x2n1+n2 Given that, n1=first sample size of childrens pocket money=87 x1=first…

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.25…

A: Given,n=1908x=439p^=xnp^=4391908=0.2301

Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: From the provided information,

Q: A study was conducted to determine the proportion of people who dream in blaCk and white Instead of…

A: Two sample proportion test: Two sample proportion test is used to test the significance difference…

Q: Suppose that out of 10,351 convicts who escaped from U.S. prisons, only 7767 were recaptured. Let p…

A:

Q: Vegetarians are much less common in the United States than in the rest of the world. In a 2018…

A:

Q: The following table summarizes data collected in a study to evaluate a new screening test for lung…

A: A total of 200 men were involved in the study. The results are tabulated below.       lung…

Q: A publisher reports that 80% of their readers own a laptop. A marketing executive wants to test the…

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

Q: A runner states that his average time for running a mile is 6.5 minutes. Given the following times…

A: Given n=8 Alpha=0.05

Q: The CEO of a large electric utility claims that at least 80 percent of his one million customers are…

A: