For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.A random sample of medical files is used to estimate the proportion p of all people who have blood type B. (a) If you have no preliminary estimate for p, how many medical files should you include in a random sample in order to be 85% sure that the point estimate p̂ will be within a distance of 0.06 from p? (Round your answer up to the nearest whole number.)(b) Answer part (a) if you use the preliminary estimate that about 10 out of 90 people have blood type B.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From the given information, Confidence level =0.80 Margin of error =0.04

Q: digits after the decimal in your calculations. Answers may vary slightly due to rounding. In a…

A: We have given that  Sample size n=726 Favorable cases x= 634 Sample proportion p^=x/n

Q: A random sample of medical files is used to estimate the proportionp of all people who have blood…

A: a) There is no preliminary estimate for p. Let us consider, p=0.5 Given margin of error, E=0.05…

Q: I want to estimate the proportion of college professors who believe in aliens. How many college…

A: Given Confidence interval=90% sample proportion is within 5 percentage

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From the provided information, Margin of error (E) = 0.04 Confidence level = 99%

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: The objective of this question is to find the point estimate for the proportion of women shoppers…

Q: (a) If you have no preliminary estimate for p, how many medical files should you include in a random…

A: For the given probleme, we need ro find the minimum number of sample size in order to be 85% sure…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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Q: For this problem, carry at least 1ou digit! in your may vary In a marketing survey, a random sample…

A: It is given that n =984 and x =274.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given: Sample size, n=5832 Number of people provided at least some charity care X = 3143 (a) Point…

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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Q: (a) Let p be the proportion of all permanent dwellings on the entire reservation that are…

A: Given : a) Point estimate for p, p^ = 16205000 = 0.324 q = 1 - p Point estimate for q , q^ = 1 -…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: We have to find confidence interval.....

Q: nesspeople for which the caller reaches the person being called on the first try. Id you include in…

A: From the provided information, Confidence level = 80% Margin of error = 0.03

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given:sample size n = 5060number of traditional hogans in the sample, x = 1557sample proportion p̂ =…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Solution: A. Let X be number of supermarket shoppers who always stock up on an item when they find…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given,n=1020x=270α=1-0.95=0.05α2=0.025Z0.025=1.96    (from Z-table)

Q: random sample of 5643 physicians in Colorado showed that 3332 provided at least some charity care…

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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Q: What percentage of your campus student body is female? Let p be the proportion of women students on…

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given,  A random sample of 5751 physicians in Colorado showed that 3008 provide at least some…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From the provided information, Margin of error (E) = 0.04 Confidence level = 85%

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From the provided information, Sample size (n) = 5913 Out of which 3116 provided at least some…

Q: (a) If you have no preliminary estimate for p, how many medical files should you include in a random…

A: a) Confidence Interval = 0.85 Significance level = 0.15 Margin of error , E = 0.03 Here we have no…

Q: You are attending the Peachtree Road Race (not running it) and have been charged with estimating the…

A: According to the given information, Length of street = 6.3 miles There are 5280 feet in a single…

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A: 1000 large corporations are surveyed. 242 are in favor of non smoking candidates.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Solution: Given information: n= 984 Sample size  supermarket shopper. X= 274  stock up

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: A. It is given that, 630 of the sampled shoppers remained loyal to the supermarket out of the 728…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given data, n=1000 X= 256

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A: Given n=716 x=279

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

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

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: It is given that margin of error (E) is 0.06 and the confidence level is 99%.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: In this question, we need to find the sample size for the proportion of females when no preliminary…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Givena)Confidence level=99%Margin of error(E)=0.03no preliminary study is made to estimate pAssume…

Q: 23% of the students graduating from a local high school received scholarships to college. If 163…

A: We have to find the value students total graduated from the local high school

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.