In a previous study, it was found that p̂= .73 for a particular sample. Suppose we would like to repeat this study. Give the sample size n required to have margin of error equal to .01, at the 98% confidence level. A.) 10,701 B.) 10,700 C.) 46 D.) 45

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: and ˆpp^ (p-hat) =0.52, find the margin of error at a 99% confidence level Give your answer to…

A: The margin of error can be calculated as: MOE=z×p^(1-p^)n

Q: In a recent poll, 460 people were asked if they liked dogs, and 94% said they did. Find the margin…

A: Ans - Given   P  =  94%    = 0.94,     The sample size  n = 460 people          95%  confidence…

Q: If n = 340 and p^=0.92, find the margin of error at a 90% confidence level E= Give your answer to…

A: Given,n=340p^=0.921-p^=1-0.92=0.08α=1-0.90=0.1α2=0.05Z0.05=1.645

Q: Given 25 confidence intervals in the figure to the left, which of the following is the most likely…

A: The confidence interval is an inference process which gives the range of plausible values of…

Q: Which of the following is thet-value for a 95% confidence level when the sample size is 20. O a.…

A:

Q: find the margin of error for a sample mean, given n=16, s=4, Xbar=17. for a 95% confidence interval.

A: The margin of error for sample mean is given by,

Q: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level E=

A: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level

Q: In this question If n=20, ¯xx¯(x-bar)=38, and s=8, find the margin of error at a 90% confidence…

A: Given, Sample size = 20 Sample mean = 38 Sample standard deviation = 8   Degrees of Freedom:

Q: For a two-tailed test, a sample size of 21 at 80% confidence, t= 1.323 2.539 1.325 2.528

A: We have to find correct option..

Q: If n=580n=580 and ˆp=0.89p^=0.89, find the margin of error at a 90% confidence level.

A: For 90% confidence intervalα=1-CI=1-0.90=0.10So, zα2=z0.102=z0.05=1.645

Q: If n=160 and ˆp (p-hat) =0.48, find the margin of error at a 99% confidence level

A: Given Data: p^=0.48n=160   We know that, p^-pp^(1-p^)n~ Normal(0,1)

Q: Use the given confidence interval to find the margin of error and the sample mean. (15.3,22.3)

A: We have to find sample mean and margin of error..

Q: If n=240 and ˆpp^ (p-hat) =0.91, find the margin of error at a 90% confidence level Give your…

A:

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: If n=11, ¯xx¯(x-bar)=32, and s=9, find the margin of error at a 98% confidence level

A:

Q: If n=320 and ˆpp^ (p-hat) =0.26, find the margin of error at a 95% confidence level

A:

Q: From a survey of 350 coworkers you find that 231 would like the company to provide on-site daycare.…

A: Given that,  Sample size is n= 350  And we find 231 would like the company to provide on-site…

Q: If n=12, ¯xx¯(x-bar)=44, and s=5, find the margin of error at a 99% confidence level

A: Given: margin of error for a 99% confidence interval. n=12 x¯(x-bar)=44 s=5

Q: (d) Find a 99% confidence interval and conclude.

A: Given x=16 n=25

Q: If n=570 and ˆpp^ (p-hat) =0.8, find the margin of error at a 95% confidence level

A: given that, n = 570 p^=0.8 confidence level = 95%

Q: Use the following information to compute the confidence interval for the population proportion. a.n…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: If n=270 and ˆpp^ (p-hat) =0.59, find the margin of error at a 99% confidence level Give your…

A: Given  n=270, pcap=0.59, alpha=0.01 Zcritical=2.578 at alpha=0.01 We want to find margin of error

Q: Construct the confidence interval for the population mean p. c= 0.95, x 8.9, o=0.7, and n= 46

A: As the population standard deviation is known, we will use z distribution. The value of z at 95%…

Q: Use the Student's t distribution to find tc for a 0.99 confidence level when the sample is 21.

A: We find it's Value from t table at n-1= (21-1)= 20 d.f. and 0.99 confidence level.

Q: given: 110 homes in kingston (n1) and the proportion of the sample is p1 100 homes in owen sound…

A:

Q: If n=13, = 42, and s=7, find the MARGIN OF ERROR at a 99% confidence level

A:

Q: Use the given confidence interval to find the margin of error and the sample mean. (71.7, 87.3)

A:

Q: If n=11, ¯xx¯(x-bar)=35, and s=8, find the margin of error at a 90% confidence level. Answer to two…

A: Margin of error = t critical * Standard error where    t critical is the value of t for 90%, two…

Q: Construct the confidence interval for the population mean u. c= 0.98, x 6.8, o = 0.8, and n=51

A: It is given that Sample size n = 51 Sample mean M = 6.8 Population SD = 0.8 The critical value of Z…

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

A: Given We have given that confidence interval (0.640 ,0.670) lower limit = 0.640  Upper limit = 0.670…

Q: Shown below are four confidence intervals created from the same sample data. Which of these…

A:

Q: If n=12, ¯xx¯(x-bar)=48, and s=6, find the margin of error at a 98% confidence level

A: From the provided information, Sample size (n) = 12 Sample mean (x̄) = 48 Standard deviation (s) = 6…

Q: IF n=23, x-bar = 39, and s=3, find the margin of error at a 80% confidence level. Give answer to two…

A:

Q: For each combination of sample size and sample proportion, find the approximate margin of error for…

A: Given (a) n = 100, p̂ = 0.57 (b) n = 200, p̂ = 0.57.   (c) n = 200, p̂ = 0.40.

Q: Construct the confidence interval for the population mean c=0.98 X=9.5 o=0.5 n=54

A: Given:  mean c=0.98  X bar=9.5  o=0.5 n=54 A=1-0.98=0.02

Q: If a simple random sample of size 34 was collected, the following hypotheses tests will have the…

A: Correct answer is H0: μ=42  and H1: μ≠42

Q: For each of the following sets of sample outcomes, use Formula 7.3 to construct the 99% confidence…

A:

Q: If X-bar = 125, σ = 24, and n = 36, construct a 99% confidence interval estimate for the population…

A: Given: X-bar = 125, σ = 24, n = 36.

Q: Find the margin of error for the given 1. o = 3.5 n = 45 a. 90% confidence level

A: To find the margin of error for the given confidence levels: Margin of error indicates how many…

Q: If n=17, x bar = 39, and s=8, find the margin of error at a 99% confidence level.  Give the answer…

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

Q: 4) Consider a confidence level of 90%. If n=68 and ?̂ = 0.42 Calculate the margin of error. 5)…

A: According to our guidelines we can answer only first question and rest can be reposted.

Q: if n = 42, p = 0.6 then construct the 98% confidence interval for the population proportion.

A:

Q: Use the given confidence interval to find the margin of error and the sample mean. (13.5,21.9)

A: Given confidence interval (13.5, 21.9)

Q: In a​ poll, 37​% of the people polled answered yes to the question​ "Are you in favor of the death…

A: Given information- Margin of error, E = 5% = 0.05 Confidence level, c = 96% We have given that 37​%…

Q: Construct a 95% confidence interval for p for a random sample of size n = 225 yielded $ = .46 A. .49…

A:

Q: If n=10, ¯xx¯(x-bar)=44, and s=8, find the margin of error at a 80% confidence level

A:

Q: The test scores of five randomly selected students at a community college, are given below. 85 96 72…

A: Sample mean for given values is 84.8, =AVERAGE(C23:C27). Here, the column C represents the data…

Q: If n=360 and ˆp(p-hat) =0.69, find the margin of error at a 95% confidence level

A: