You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats. You sample 160 men, and 15% own cats. You sample 60 women, and 20% own cats. Find the test statistic

Q: According to past reports 51% of employees own a car. In a random sample of 106 employees, how many…

A: Total no.of employees(n)= 106 The percentage of employees own a car(p)= 0.51

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: From the given information, the sample of 60 men, 30% own cats. The sample of 140 women, 25% own…

Q: You want to determine if the graduation rate of different than the known national graduation rate.…

A: The researcher is interested to determine if the graduation rate of high-school students is…

Q: Nationally, 80 percent of adults own an thermometer. You are interested in whether the same…

A: We have given that  Sample size n = 100 Sample proportion p^=75%=0.75 Population proportion…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: State the hypotheses.   Let p1 denotes the population proportion of men who own cats. Let p2 denotes…

Q: The weight of eight boys are 87 kg, 99 kg, 83 kg, 90 kg, 98 kg, 45 kg, 70 kg and 103 kg. Find the…

A: We have find givan weight..

Q: You sample 200 men, and 70% own cats.You sample 160 women, and 15% own cats.Find the test statistic,…

A: Obtain the value of the test statistic. The value of the test statistic is obtained below: From the…

Q: According to past reports 48% of employees own a car. In a random sample of 250 employees, how many…

A: Total no.of employees=250 The percentage of employees own a car=0.48

Q: which statistic is equivalent to dividing the sum of scores equally across all members of a sample

A: The statistic measures the characteristics of samples to estimate the population.

Q: 2. Do athletes in different sports vary in terms of intelligence? Below are reported College Board…

A: In statistical inference, there are two ways of drawing an inference. These are test of significance…

Q: e testing the claim that the proportion of men who own cats is significantly different than the…

A: p^1=0.5p^2=0.45 p^=180*0.5 + 160*0.45180+160 = 0.47 hypothesis: H0 :p^1=p^2H1:p^1≠p^2 since we have…

Q: f) Let z be the value of the test statistic. Give the correct decision rule at a = 0.05 level of…

A: sample size, n = 120 30 learners reported that they smoke Proportion of learners who reported that…

Q: How to determine if a sample is small or large? In my homework, the sample size is 66. The answer in…

A: Note: Hey there! Thank you for posting the question! Sometimes a sample cannot be determined as a…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: Where could you get a representative sample of infants born in the state of Texas in 2001?     The…

A: From the given information we find the correct reperestiativ

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Use EXCEL…

Q: fragrance free laundry soap.

A: To test the percentage of customers who prefer fragrance free laundry soap.   This can be done using…

Q: Medical Marijuana? An international poll of physicians was conducted on the New England Journal of…

A: a. In a poll conducted on the physicians which asked about “Do you believe that the overall…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: Determine what the key terms refer to in the following study. An insurance company would like to…

A:

Q: 15 mothers were asked which brand of milk they prefer for their children. The choices are Nido,…

A: "A certainty span is a scope of values that is probably going to incorporate" the "populace…

Q: how do you find the simple random sample of 15 restaurants?

A: In simple random sampling each member of the population has an equal chance of being included in the…

Q: recent poll reports that between 53% and 59% of voters will vote for president george in the next…

A: The confidence interval is (53%, 59%).

Q: 395 out of 500 women were in favor with the new brand of skin whitening. What is the point estimate…

A:

Q: poll of 60 people asking “do you prefer dogs or cats?” Was taken, and 53 of those surveyed said they…

A: Sample size n =60 Favorable cases x =53 Sample proportion p^=x/n  =53/60 =0.8833 Population…

Q: What is the difference between Sample and Population? Provide an example of each.

A: Population -whole number of individuals Sample - a part of population taken randomly

Q: America OnLine published a survey question. Among the 2,300 Internet users who responded, 20%…

A: From the given information, America OnLine published a survey question. Among the 2,300 Internet…

Q: In 2013, 46% of high school students tried a tobacco product. From a survey of 500 randomly…

A: Given : Population proportion =46% n=500

Q: In a sample of 500 parts produced by a grinding machine, 396 parts were defective. A test is…

A: given:   Sample size n = 500 Number of defective parts = x = 396

Q: Recherchers conducted two surveys about teens are their use of social media. The First survey asked…

A: Here we use the proportion concept.  P = x / n Pooled proportion formula P(cap) = ( x1+ x2) / ( n1+…

Q: you want to know how how arizonia workers age 16 or older travel to work. To estimate the percentage…

A: Individual:Collected data which can be associated with a single element in a sample is called…

Q: Medical Marijuana? An international poll of physicians was conducted on the New England Journal of…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: We'd like to know the percentage of people living in California who owns a cell phone. How many…

A: It is given that margin of error (E) is 0.04 and the confidence level is 0.95.

Q: tephanie is trying to figure out the sample size of an experiment. She knows the population SD is…

A: Solution: Given information: σ= 41.5    Population standard deviation σx= 2.7   Standard deviation…

Q: Suppose you plan to conduct among 2,500 Grade 12 students enrolled in the stem Track. How many…

A:

Q: laim: Fewer than 96​% of adults have a cell phone. In a reputable poll of 1017 ​adults, 86​%…

A:

Q: You are told that the proportion p-hat  of those who answered "yes" to a poll about internet use is…

A: Given,Proportion, Standard error, SE = 0.0458

Q: doesn't the mean of a sample population equal the true proportion?

A: Yes, the sample population is equal to true proportion.

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.