For a population, N=16,000 and p= 0.22. Find the z value for p̂ = 0.26 for n=50. Round your answer to two decimal places. Z=
For a population, N=16,000 and p= 0.22. Find the z value for p̂ = 0.26 for n=50....
The formula used to compute a large-sample confidence interval for p is p̂ ± (z critical value) p̂(1 − p̂) n What is the appropriate z critical value for each of the following confidence levels? (Round your answers to two decimal places.) a) 85%
The formula used to compute a large-sample confidence interval for p is p̂ ± (z critical value) p̂(1 − p̂) n What is the appropriate z critical value for each of the following confidence levels? (Round your answers to two decimal places.) 87%
gnment Chapter 07, Section 7.6, Problem 062a For a population, N = 20,000 and p = 0.17. Find the z value for p = 0.26 for n = 80. Round your answer to two decimal places. the tolerance is +/-5%
Random samples of size n = 400 were selected from a binomial population with p = 0.1. Is it appropriate to use the normal distribution to approximate the sampling distribution of p̂? Use this result to find the probability. (Round your answer to four decimal places.) p̂ < 0.10
Let Z ∼ N(0, 1). Find a constant c for which P(Z ≥ c) = 0.1587. Round the answer to two decimal places. Find a constant c for which P(c ≤ Z ≤ 0) = 0.4772. Round the answer to two decimal places. Find a constant c for which P(−c ≤ Z ≤ c) = 0.8664. Round the answer to two decimal places. Find a constant c for which P(0 ≤ Z ≤ c) = 0.2967. Round the answer to...
describe the sampling distribution of p̂ . assume the size of the population is 25000. choose the phrase that best describes the shape of the sampling distribution of p̂ below correct answer was : approx. normal because n≤ 0.05 N and np(1-p) ≥ 10. Determine the mean of the sampling distribution p̂. μ p̂= ____? (round to one decimal place as needed) posted a picture of all the data i have MAT-240-T2817 Applied Statistics 19EW2 Homework: 2-2 MyStatLab: Module...
Random samples of size n = 80 were selected from a binomial population with p = 0.2. Use the normal distribution to approximate the following probability. (Round your answer to four decimal places.) P(p̂ > 0.17) =
Random samples of size n = 90 were selected from a binomial population with p = 0.3. Use the normal distribution to approximate the following probability. (Round your answer to four decimal places.) P(0.27 ≤ p̂ ≤ 0.37) = ??
A random sample of size n = 40 is selected from a binomial distribution with population proportion p = 0.25. Describe the approximate shape of the sampling distribution of p̂. approximately normalskewed left uniformskewed right Calculate the mean and standard deviation (or standard error) of the sampling distribution of p̂. (Round your standard deviation to four decimal places.) mean standard deviation Find the probability that the sample proportion p̂ is between 0.15 and 0.41. (Round your answer to four decimal places.)
I need help with all three parts. Thank you! Describe the sampling distribution of p̂ . Assume the size of the population is 25,000. n = 700, p = 0.594 Describe the shape of the sampling distribution of p̂ . Choose the correct answer below. A. The shape of the sampling distribution of p̂ is approximately normal because n≤0.05N and np(1−p)≥10. B. The shape of the sampling distribution of p̂ is approximately normal because n≤0.05N and np(1−p)<10. C. The shape...