a) What is the probability that a car chosen at random will have less than 83.5 tons of coal? benuoo of b) What is the probability that 20 cars chosen at random will have a mean load weight i of less than 83.5 tons of coal? quong aoilA a aealonsq to 1edmun babec erw d fnoiten 10) Suppose x has a normal distribution with o = 6. A random sample of size n = 16 has sample A (8 on mean 50. a) Is it appropriate to use a normal distribution to compute a confidence interval for the population mean µ? Explain. b) Find a 90% confidence interval for u. c) Explain the meaning of the confidence interval you computed.

a) What is the probability that a car chosen at random will have less than 83.5 tons of coal? benuoo of b) What is the probability that 20 cars chosen at random will have a mean load weight i of less than 83.5 tons of coal? quong aoilA a aealonsq to 1edmun babec erw d fnoiten 10) Suppose x has a normal distribution with o = 6. A random sample of size n = 16 has sample A (8 on mean 50. a) Is it appropriate to use a normal distribution to compute a confidence interval for the population mean µ? Explain. b) Find a 90% confidence interval for u. c) Explain the meaning of the confidence interval you computed.

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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