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 0.04 from p? (Round your answer up to the nearest whole number.) ____ medical files b) Answer part (a) if you use the preliminary estimate that about 9 out of 90 people have blood type B. _____ medical files

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 given data we have : n=576 x=358

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

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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: In a combined study of northern pike, cutthroat trout, rainbow trout, and lake trout, it was found…

A: (a) The point estimate for p is, p^=xn=20800=0.025 Thus, the point estimate for p is 0.025. (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 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…

Q: When estimating the population proportion, how large a sample is needed to be 95% confident that the…

A: Given:  The margin of error is equal to 0.05  Confidence Level : 95%  It is asked to compute the…

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: A. It is given that, 3170 of the 5967 physicians sampled provided some charity care. Thus, x= 3,170…

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

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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…

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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: The provided information are: Confidence level = 85% = 0.85 Margin of error (E) = 0.04 (a) From the…

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: f the student newspaper reported that 75% of students are in favor of free frozen yogurt in the…

A: given data, If the student newspaper reported that 75% of students are in favor of free frozen…

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

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

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: (a) Let p represent the proportion of all supermarket shoppers who always stock up on an item when…

A: (a) A random sample of 1018 supermarket shoppers revealed that 270 always stock up on an item when…

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,n=596x=369

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

A: Given data, n=1000 X= 256

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.