If n = 180 and = 0.4, construct a 95% confidence interval.
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If n = 360 and ˆp (p-hat) = 0.45, construct a 95% confidence interval. Give your answers to three decimals: _________ < p < ____________
If n = 460 and ˆp = 0.45, construct a 95% confidence interval. Give your answers to three decimals
Out of 200 people sampled, 94 had children. Based on this, construct a 99% confidence interval for the true population proportion of people with children. Preliminary: Is it safe to assume that n≤5% of all people with children? No Yes Verify nˆp(1−ˆp)≥10. YOU MUST ROUND YOUR ANSWER TO ONE DECIMAL PLACE. nˆp(1−ˆp)= 4.Confidence Interval: What is the 99% confidence interval to estimate the population proportion? YOU MUST ROUND ANSWER TO THREE DECIMALS PLACES. 5. ?????? <p< ????
If n=30, ¯xx¯=39, and s=3, construct a confidence interval at a 95% confidence level. Assume the data came from a normally distributed population.
find z sc
Construct the confidence interval for the population mean μ 0.95, x 5.2, σ 0.4, and n 58 A 95% confidence interval for μ is D (Round to two decimal places as needed)
A random sample of size n 200 yielded p 0.50 a. Is the sample size large enough to use the large sample approximation to construct a confidence interval for p? Explain b. Construct a 95% confidence interval for p C. Interpret the 95% confidence interval d. Explain what is meant by the phrase "95% confidence interval." a. Is the sample large enough? AYes, because np 2 15 and nq2 15 No, because np 2 15 and nq< 15 No, because...
If n = 120 and ˆ p (p-hat) = 0.4, construct a 90% confidence interval. Give your answers to three decimals
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If n= 150 and p' (p-prime) = 0.92, construct a 95% confidence interval. Give your answers to three decimals. Sp< The video uses p (p-hat) in place of p'.
from independent samples Construct a 95% confidence interval for p - p2. The sample statistics listed below are n1 50, x1 35, and n2 = 60, x2 = 40 O A. (2.391, 3.112) O B. (-0.871, 0.872) O C. (1.341, 1.781) O D. (-0.141, 0.208)
from independent samples Construct a 95% confidence interval for p - p2. The sample statistics listed below are n1 50, x1 35, and n2 = 60, x2 = 40 O A. (2.391, 3.112) O B....
that corresponds to the Assume that a sample is used to estimate a population proportion p. Find the margin of error E given statistics and confidence level. Round the margin of error to four decimal places. 48) 50 B) 0.0306 48) 95% confidence, n-380. x C) 0.0357 D) 0.0340 A) 0.0408 Objective: 7.2) Find Margin of Error Use the given degree of confidence and sample data to construct a confidence interval for the population proportionp. 49) 49) n = 56,...