Answered: Find the minimum sample size n needed…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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D
Calculate the smallest sample size required to estimate the population mean under the specifications shown below. a. confidence level 90%, σ=19, and e=6 b. confidence level 95%, σ=23, and e=0.7 c. confidence level 98%, σ=0.5, and e=1 d. confidence level 99%, σ=1.4, and e=0.6 e. confidence level 98%, σ=5, and e=
Find the minimum sample size n needed to estimate μ for the given values of c, σ, and E. c=0.90, σ=8.5, and E=2 Question content area bottom Part 1 Assume that a preliminary sample has at least 30 members. n=enter your response here (Round up to the nearest whole number.)
A marketing researcher wishes to determine if over 60% of the wine drinkers prefer a certain brand of wine or not. The marketing researcher selects a random sample of size 900 and finds that 558 of them prefer this brand of wine. Question 8. The p-value is closest to O 0.0921 0.001 O 0,05 O 0.1112 O 0.0132
Find the minimum sample size n needed to estimate μ for the given values of c, σ, and E. c=0.98, σ=5.7, and E=2 Question content area bottom Part 1 Assume that a preliminary sample has at least 30 members. n=enter your response here (Round up to the nearest whole number.)
Population 1 is Normally distributed with a mean of 40 and a standard deviation of 4, and population 2 is normally distributed with a mean of 25 and a standard deviation of 7. Suppose we select independent SRSS of n1 = 100 and n2 = 85 from population 1 and 2 respectively. Which of the following are the values of the mean and the standard deviation of the sampling distribution of T1 – F2? 4(1 4) O 65, 7(1 7) 100 85 72 42 O 15. 100 85 4(1-4) O 15, 7(1-7) 100 85 42 O 15. 100 85 V馬-VE 42 72 65, 100 85
3. Write R codes to solve the following problems: a) Generate a random sample with size 250 from the standard normal distribution. b) Write R codes to construct the following graphic using the data generated in the previous question. Histogram and density plot of the random sample 3 Data Density 0'0 0.1 0.2 0.3 0.4 0.5 2.
Find the corresponding z-score for a sample of n = 16 and M = 38 taken from a population with a mean of μ= 40 and σ = 8.
find the minimum sample size n needed to estimate μ μ for the given values of c, sigma,σ and E c = 0.98 σ = 9.4 E = 1
Find the minimum sample size n needed to estimate muμ for the given values of c, sigmaσ, and E. cequals=0.90sigmaσequals=7.3 and Eequals=2Assume that a preliminary sample has at least 30 members. n=? (Round up to the nearest whole number.)
A-C
a sample is selected from a normal population with u=40 and σ =12. If the sample mean of M=36 corresponds to z=-2.00, then the sample size is n=64. is it true or false

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Find the minimum sample size n needed to estimate for the given values of​ c, o, and n. c=0.90 σ=3.4, and n=81

Find the minimum sample size n needed to estimate for the given values of c, o, and n. c=0.90 σ=3.4, and n=81