107. A pharmaceutical company makes tranquilizers. It is assumed that the distribution for the length of time they last is approximately normal. Researchers in a hospital used the drug on a random sample of nine patients. The effective period of the tranquilizer for each patient (in hours) was as follows: 2.7; 2.8; 3.0; 2.3; 2.3; 2.2; 2.8; 2.1; and 2.4. i. x = ii. Sx = iii. n = iv. n-1= b. Define the random variable X in words. c. Define the random variable X in words. a.

107. A pharmaceutical company makes tranquilizers. It is assumed that the distribution for the length of time they last is approximately normal. Researchers in a hospital used the drug on a random sample of nine patients. The effective period of the tranquilizer for each patient (in hours) was as follows: 2.7; 2.8; 3.0; 2.3; 2.3; 2.2; 2.8; 2.1; and 2.4. i. x = ii. Sx = iii. n = iv. n-1= b. Define the random variable X in words. c. Define the random variable X in words. 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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Please please include the four steps in a Cl write-up 1. Assumptions 2. Title 3. Construction of Cl 4. Interpretation Please please answer everything please please I would really appreciate it please

107. A pharmaceutical company makes tranquilizers. It is assumed that the distribution for the length of time they last is
approximately normal. Researchers in a hospital used the drug on a random sample of nine patients. The effective period of
the tranquilizer for each patient (in hours) was as follows: 2.7; 2.8; 3.0; 2.3; 2.3; 2.2; 2.8; 2.1; and 2.4.
i.
x =
ii. Sx =
iii.
n =
iv. n-1=
Define the random variable X in words.
a.
b.
c. Define the random variable X in words.
d. Which distribution should you use for this problem? Explain your choice.
e.
Construct a 95% confidence interval for the population mean length of time.
i. State the confidence interval.
ii.
Sketch the graph.
iii. Calculate the error bound.
f. What does it mean to be "95% confident" in this problem?

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