Out of 600 customers, 360 like the new plastic bottle packaging of a certain softdrink. Is there sufficient evidence that the proportion of the customers/buyers who like the new packaging is not equal to 50% at 0.02 level of significance? a) What is the null and alternative hypothesis? b) What is the correct decision? c) State the conclusion

Q: A statistics student believes that black cars are less likely to receive tickets for moving…

A: It is given that the P-value is 0.24.

Q: In 1000 rolls of two dice, six was rolled 200 times for die A and 150 times for die B. Is there a…

A: x:  proportion of sixes obtained for die A y:  proportion of sixes obtained for die B n1=n2=1000…

Q: The American Library Association claims that at most 67% of library patrons actually borrow books.…

A:

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for…

A:

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for…

A:

Q: A marriage counselor has traditionally seen that the proportion  p  of all married couples for whom…

A: From the provided information, Sample size (n) = 245 From which 189 of them stayed together. Sample…

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: Given data issample size(n)=205x=164sample proportion(p^)=xn=164205=0.8significance level(α)=0.05

Q: According to a report done by S & J Power, the mean lifetime of the light bulbs it manufactures is…

A: Since you have posted multiple questions we will provide the solution onlyto the first question as…

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: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: From the provided information,Sample size (n) = 210From which 167 of them stayed together.Level of…

Q: A humane society claims that less than 73% of households in a certain country own a pet. In a random…

A: Given,n=500x=355p^=xn=355500=0.71α=0.05

Q: Radio Shack reported that they sell 21% of all home computers. a) Is this claim supported at the 1%…

A: GivenNo. of computers (n)=700x=120p^=120700=0.171α=0.01

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A:

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: The proportion, p, of all married couples for whom the communication program can prevent divorce, is…

Q: sion based on the ANOVA tab

A: To find the overall mean of the chlorine level across all the pools measured, we can calculate the…

Q: construct a 95% C.I. for the actual; percentage of shoppers who live more than 15 miles from that…

A: The sample size is n = 200 Proportion of shoppers who live more than 15 miles from that center in…

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: given data clim : p > 0.76n = 215x = 171α = 0.05p^ = xn = 171215 = 0.7953

Q: You work for a marketing firm that has a large client in the automobile industry. You have been…

A: For the given data Find n =?

Q: 2. A research facility claims that more than 74.4% of women in a certain age group are taller than…

A: given n=152

Q: The test statistic has value TS= . Testing at significance level α = 0.05, the rejection region is:…

A: Ans :  Null hypothesis H 0: \ µ = 720Another hypothesis Ha: \µ \≠ 720Sample means (X bar) =…

Q: The Pew Research Group conducted a poll in which they asked, "Are you in favor of, or opposed to,…

A: The sample estimate for the seculars is the proportion of seculars who favored capital punishment.…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A:

Q: n February 2008, an organization surveyed 1040 adults age 18 and older and found that 539 believe…

A: State the hypotheses.

Q: b. The null and alternative hypotheses would be: Ho: ?v Select an answer |(please enter a decimal)…

A: p0 = 0.1   Given : Number of voters who will vote in upcoming election (X)(X) = 5353 Sample…

Q: ou work for a marketing firm that has a large client in the automobile industry. You have been asked…

A: Margin of error, E=0.035 Confidence level=0.90

Q: Africa and the Middle East are two of the least popular regions traveled to in study abroad…

A: For Africa:The sample size, i.e., the sampled number of students, n1=250.The sample proportion of…

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: Note:- Since you have posted a question with multiple subparts, we will provide the solution only to…

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A:

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

A: Based on the given information, the hypothesized proportion is 0.29. That is, p=0.29 In this…

Q: The federal agency for which you work has a contract with an electrical supply company to provide a…

A: Given,   The sample proportion is,

Q: USA Today (Feb. 17, 2011) described a survey of 1,008 American adults. One question on the survey…

A: a) The sample proportion is p-cap = 205/1008           = 0.203 b) The population proportion p is…

Q: Suppose a professional basketball player historically makes 39% of his three-point field goals.…

A: When the variable of interest is categorical in nature, it indicates that we are dealing with the…

Q: Researchers designed a survey to compare the proportions of children who come to school without…

A:

Q: (a) State the null hypothesis Ho and the alternative hypothesis H₁. H:0 H₁:0 (b) Determine the type…

A: It is given that  Population proportion, p = 80% = 0.80 Favourable cases, X = 178 Sample size, n =…

Q: A study is to be made to estimate the proportion of residents of a certain city and its suburbs who…

A: Given: Confidence level = 0.95, margin of error = E = 0.08.

Q: Based on their records, a hospital claims that the proportion, p, of full-term babies born in the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: In a study by the United Dairy Industry Association, 42% of 655 persons age 35–44 said they seldom…

A:

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: Given that  Sample size n =205 Favorable cases x =171 Sample proportion p^=x/n  =171/205 =0.8341

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.