Given a random sample of size 19 from a normal distribution, find k such that(a) P(- 2.878 < T

Answered: Given a random sample of size 19 from a…

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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A normal distribution has μ = 30 and σ = 5. (a) Find the z score corresponding to x = 25. (Enter an exact number.) (b) Find the z score corresponding to x = 44. (Enter a number.) (c) Find the raw score corresponding to z = −3. (Enter an exact number.) (d) Find the raw score corresponding to z = 1.5. (Enter a number.)
A population of values has a normal distribution with μ=165.5μ=165.5 and σ=79.8σ=79.8. You intend to draw a random sample of size n=11n=11.Find the probability that a single randomly selected value is less than 208.8.P(X < 208.8) = Find the probability that a sample of size n=11n=11 is randomly selected with a mean less than 208.8.P(M < 208.8) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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Given a random sample of size 19 from a normal distribution, find k such that (a) P(- 2.878