he local bakery bakes more than a thousand 1-pound loaves of bread daily, and the weights of these loaves varies. The mean weight is 0.9 lb. and 1 oz., or 437 grams. Assume he standard deviation of the weights is 21 grams and a sample of 45 loaves is to be randomly selected. (a) This sample of 45 has a mean value of x, which belongs to a sampling distribution. Find the shape of this sampling distribution. O skewed right O approximately normal O skewed left O chi-square (b) Find the mean of this sampling distribution. (Give your answer correct to nearest whole number.) grams (c) Find the standard error of this sampling distribution. (Give your answer correct to two decimal places.) (d) What is the probability that this sample mean will be between 429 and 445? (Give your answer correct to four decimal places.) (e) What is the probability that the sample mean will have a value less than 433? (Give your answer correct to four decimal places.) (f) What is the probability that the sample mean will be within 5 grams of the mean? (Give your answer correct to four decimal places.)
he local bakery bakes more than a thousand 1-pound loaves of bread daily, and the weights of these loaves varies. The mean weight is 0.9 lb. and 1 oz., or 437 grams. Assume he standard deviation of the weights is 21 grams and a sample of 45 loaves is to be randomly selected. (a) This sample of 45 has a mean value of x, which belongs to a sampling distribution. Find the shape of this sampling distribution. O skewed right O approximately normal O skewed left O chi-square (b) Find the mean of this sampling distribution. (Give your answer correct to nearest whole number.) grams (c) Find the standard error of this sampling distribution. (Give your answer correct to two decimal places.) (d) What is the probability that this sample mean will be between 429 and 445? (Give your answer correct to four decimal places.) (e) What is the probability that the sample mean will have a value less than 433? (Give your answer correct to four decimal places.) (f) What is the probability that the sample mean will be within 5 grams of the mean? (Give your answer correct to four decimal places.)
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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