Answered: Pharmacist lilly is researching how…

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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Pharmacist lilly is researching how long the active ingredient in a particular drug is measured in the liver of people after oral administration. The process has been extensively studied and can be expected to follow a normal distribution with a known standard deviation of 22 minutes. lilly decides to measure how long the active substance of the drug is measured in 15 individuals after oral administration. lilly wants to test with a hypothesis test whether the drug is on average different from 620 minutes in the liver. He calculates the value of the appropriate exam size and got out 1.58.

1.What is the p-value of the hypothesis test?

0.1141.
0.9429.
0.0571.
Not enough information is given to find the p-value.

Question 2 also discusses pharmacist Lilly´s and her experiment.

2. Which of the following statements is correct about Lilly´s experiment based on the information provided?

σ2 = 484.
μ = 620.
s = 22
None of the above statements is correct.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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