Suppose that you are a nurse and you are assigned to do checkups of people one day per week in a certain village. You have a total of 300 patients in the village. You have the option of doing the checkups in the mornings or in the afternoons. Therefore, you ask 35 patients and find that 62% prefer afternoon appointments while 38% prefer morning appointments. Find the 95% confidence limit for the proportion of all patients that prefer afternoon appointments.

Q: A researcher found a 95% confidence interval for the proportion of college students who believe in…

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Q: 2. Suppose that you take a random sample of 360 people who voted in the last election in a heavily…

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Q: A DNP student wants to evaluate the change in knowledge scores of a group of cardiac patients after…

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Q: A poll reported that only 507 out of a total of 1809 adults in a particular region said they had a​…

A: The sampled no. of adults, i.e., the sample size, n=1809. The no. of sampled adults who expressed a…

Q: A medical director needs to know the proportion of patients who have a single bed in their room. A…

A: It is given that sample size (n) is 200 and p-hat value is 0.59.

Q: A survey by a magazine stated that 14% of men said they used exercise to reduce stress. A random…

A: from the above datawe are given thatp=0.14n=100x=10p^=xnp^=10100p^=0.10Test…

Q: Many high school students take the AP tests in different subject areas. In one year, of the 144,241…

A: given data  n1 = 144241   x1 = 84000p^1 = x1n1 = 84000144241 = 0.5824 n2 = 211725    x2 = 122644 p^2…

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Q: A sample of 500 applications to a nursing programme included 400 applications from women with the…

A: Given Information: Sample size n=500 If 400 were applications from women, then 500-400=100…

Q: purce p-value (to 2 Sum of Degrees Mean Square (to 2 F Squares of (to 2 ariation (to 2 decimals)…

A: Analysis of variance (ANOVA):- The analysis of variance is a powerful tool for the test of…

Q: The manager at Bell's Gym wants to know the proportion of members who use the Cardio Machines. A…

A: The objective of this question is to calculate a 97% confidence interval for the proportion of gym…

Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…

A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…

Q: Enrique teaches five sections of Introductory Psychology. He wants to know whether or not the…

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Q: Of 400 randomly selected medical students, 21 said that they planned to work in a  rural community.…

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Q: A researcher was once criticized for falsifying data. Among his data were figures obtained from 44…

A: There seems to be printing mistake in a given question.Here 4 groups of rats with 20 individual rats…

Q: Before you took this course, you probably heard many stories about Statistics courses. Oftentimes…

A: Given :

Q: In 2009, 33% of Americans felt that one parent should stay home to raise the children instead of…

A: Given,n=1015x=416p^=xnp^=4161015=0.4099α=1-0.99=0.01α=0.01

Q: In a random sample of 600 adults, 270 described themselves as vegetarians. Construct a 99%…

A: In a random sample of 600 adults, 270 described themselves as vegetarians.

Q: The manager at Bell’s Gym wants to know the proportion of members who use the Cardio Machines. A…

A: DETAILED SOLUTION IS PROVIDED BELOWExplanation:

Q: If a 90%, a 95% and a 99% confidence interval are foung for a population mean, describe how the 3…

A: Population mean CI for known population standard deviation is, CI=x¯±Zσnwhere,σ=population standard…

Q: 3. In a sample of 300 people, 154 said that they watched news on television. Find the 90% confidence…

A: Given : Sample size of people (n) = 300 Let X : No. of people from sample  who said they watched…

Q: If Ted scores in the first quartile on his math test, that means he scored better than most students…

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Q: The drug manufacturer claim that taking gemfibrozil is beneficial to reduce the chance of heart…

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Q: You are interested in constructing a 99% confidence interval for the proportion of all caterpillars…

A: Given n=417 X=45

Q: Your Statistics instructor wants to determine whether students who have previously taken an online…

A: The response variable is also known as the dependent variable.

Q: . An experiment showed that 52 teenage subjects dreamed in black and white & 175 of them dreamed in…

A: X1=52, n1=175, x2=5, n2=40 Construct 95% CI for difference in population proportion

Q: A report states that 46% of home owners had a vegetable garden, how large A sample is needed to…

A: Answer: From the given data, Population proportion (p) = 46% = 0.46 Margin of error (ME) = 3% = 0.03…

Q: Out of 57 high school female athletes, data was collected on how much they were able to bench press.…

A: Given data Mean = 79.9 Q1=70 Q2=80 Q3=90

Q: In a certain state, a survey of 500 workers showed that 38% belonged to a union.  Find the 93%…

A: Computation of critical value: 1-α=0.93α=0.07α2=0.0351-α2=0.965 The critical value of z-distribution…

Q: Auditors must make judgments about various aspects of an audit on the basis of their own direct…

A: Given Information: Direct Indirect Combination 18.0 17.0 24.5 17.8 21.4 24.8 15.6 20.2 20.9…

Q: The last poll of 144 voters in Iowa shows that 19% of voters will vote for him in the Iowa…

A: From the given information,Sample size(n) = 144,Sample proportion (p) = 0.19.Confidence level (1-α)…

Q: Researcher 2 also studied 500 patients that visited a regional hospital in the last year. He…

A: The appropriate nature of the study, which essentially measures the risk of a heart attack after…