Use the given data to construct a 99.9% confidence interval for the population proportion p. x=53, n=72 Round the answer to at least three decimal places.

Q: Use the Student's t distribution to find t, for a 0.95 confidence level when the sample is 27.

A: sample size=n=27 Degree of Freedom=n-1=27-1 =26 Confidence level is 0.95 Therefore the Level of…

Q: Use he given confidence Interval to find the margin of error and the sample proportion.…

A: Given Data Lower limit = 0.786 upper limit = 0.810

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: From the provided information, Sample size (n) = 59 and x = 29 The sample proportion can be obtained…

Q: Out of 100 people sampled, 16 have tried marijuana. Based on this, construct a 95% confidence…

A: Obtain the 95% confidence interval for the true population proportion of people who have tried…

Q: Use the given confidence interval to find the margin of error and the sample proportion. (0.704,…

A: The confidence interval for population proportion is given by (0.704, 0.732)

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Given,confidence interval=(0.764, 0.790)

Q: In a random sample of 810 women employees, it is found that 81 would prefer working for a female…

A:

Q: Construct the confidence interval for the population mean y. C=0.95, x= 16.7, o= 4.0, and n= 75. A…

A: Here, C=0.95, x=16.7, σ=4.0, and n=75.

Q: Construct the confidence interval for the population mean mean μ.  c=0.90​, x (x-bar)=16.2​, σ=10.0…

A: The 90% confidence interval for the population mean µ is calculated as follows:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: From the provided information, Confidence interval is (0.751, 0.777)

Q: #7. On the verbal section of the SAT, the standard deviation is known to be 100. What size sample…

A: Introduction: The 100 (1 – α) % confidence interval for the population mean, μ, when the population…

Q: (b) Construct a 90% confidence interval for the proportion of all adult Americans who have seen or…

A: Given: n= 4001 ,x= 722.0 At 90.0 % confidence level , z score= 1.645 Need to find confidence…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Obtain the value of margin of error.   The value of margin of error is obtained below as follows:…

Q: In order to construct the 95% confidence interval, you choose which formula? O x ±1.645 × OT ±1.96 x…

A:

Q: For a confidence level of 80% with a sample size of 24, find the t-score.

A: From the provided information, Confidence level = 80% Level of significance (α) = 1 – 0.80 = 0.20…

Q: In a survey, the planning value for the population proportion is p* = 0.25. How large sample should…

A: Given information Error = 0.09 Population proportion = 0.25 Confidence level = 0.95

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: The solution is given below

Q: Find the condence level and a for a. a 90% confidence interval.b. a 99% confidence interval.

A: a.The confidence level and α for a 90% confidence interval is obtained below:The confidence level is…

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: Given Information n =87 x =48

Q: Use the given confidence interval to find the margin of error and thr sample mean. (5.42, 8.56)

A: Obtain the value of margin of error using the confidence limits.   The value of the margin of error…

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: According to the provided information: The proportion can be calculated as:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: According to the given information, we have Confidence interval = (0.690, 0.718)

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: The formula of the margin of error using the confidence limits is, Where,   UCL denotes the upper…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Given data, Lower limit LL=0.621 Upper limit UL=0.651   Margin of error(E)=? Sample proportion p=?

Q: Construct a confidence interval of the population proportion at the given level of confidence. X =…

A:

Q: For each confidence interval procedure, provide the confidence level. (Round the answers to the…

A:

Q: In a survey, the planning value for the population proportion is .25. How large a sample should be…

A: We have to find sample size..

Q: Which of the following indicates a confidence interval? a. 0.95              b.99%               c.…

A:

Q: answer

A: Given: Population proportion, p = 0.25 Margin of error, E = 0.06 Confidence interval = 95% Then, by…

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: It is given that n=195 and x=162. The sample proportion is 162/195 = 0.8308 The sample size is 195…

Q: In a survey, the planning value for the population proportion is p* 0.16. How large a sample should…

A: Obtain the sample size of a preliminary estimate for p is 0.16 with the 90% confidence.   The…

Q: 1(c). Construct a 99% confidence interval for the true proportion of people who liked the chocolate…

A: here use given data table

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Confidence interval is given, (0.619, 0.647)

Q: Construct the confidence interval for the population mean µ. c = 0.90, x = 16.5, o = 9.0, and n= 35…

A: Solution: From the given information, the confidence level is 0.90, x-bar=16.5, σ=9 and n=35.

Q: In a poll conducted, 439 of 1007 adults in a certain country polled said they were "picky eaters."…

A: a. The proportion of the respondents said they were picky eaters is, p^=xn=4391007=0.4359≈0.44 Thus,…

Q: Use the given data to construct a confidence interval for the population proportion p of the…

A:

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: Given data,n = 85x = 49 Sample proportion(p) = xn =4985=0.576Ƶ-value at 98% confidence is Ƶc = 2.326

Q: use the given degree of confidence and sample date to contruct a confidence interval for the…

A: Sample size = n = 124 Sample number of events = x = 20 Sample proportion = p̂ = x/n = (20/124) =…

Q: Construct a confidence interval for the population proportion p. n ? 144, x ? 86, 90% confidence

A: Given: Confidence level = 0.90 Sample size (n) = 144 x = 86 Sample proportion p^=xn=86144

Q: In a survey, the planning value for the population proportion is p* = 0.25. How large a sample…

A: Given : Population proportion (p*) = 0.25 Confidence level = 95% So ; significance level (α) =…

Q: In a survey, the planning value for the population proportion is p* = 0.25. How large a sample…

A: Given,sample proportion(p*)=0.25margin of error(E)=0.08α=1-0.95=0.05α2=0.025Z0.025=1.96   (from…

Q: Using your answers to parts (a) and (b), find a 95% confidence interval estimating the proportion of…

A: Here we need to construct a 95% confidence interval.

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: Given data, n=195 x=126 p=x/n=126/195=0.646   z-value at 95% confidence is Zc=1.96

Q: Use the given data to construct a confidence interval for the population proportion p of the…

A: Find z-critical value:…

Q: What is the critical value, t, for a 95% confidence interval with a sample size of 6? A. 4.032 B.…

A: For level of significance α and sample of size n, the critical value is tα/2,n – 1  with degrees of…

Q: In a survey, the planning value for the population proportion is p* = 0.35. How large a sample…

A: Find z-critical value. Refer Standard normal table/Z-table OR use excel function…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Given: Confidence interval = (0.705, 0.733) Thus, Lower limit = 0.705 Upper limit = 0.733

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Let the confidence interval for population proportion is (a, b) Margin of Error : E =b-a2 Sample…

Q: Use the given data to construct a 99% confidence interval for the population proportion p. x= 50,…

A: We have given that,  Sample size (n) = 70 and favorable cases (x)=50  Then,  We will find 99%…

Q: Find the value of ta/2 given a. 37 for the 85% confidence interval for the mean b. n = 15 for the…

A: