ge dverage, Voltage interval × ± given variation, with a given level of confidence. Suppose you desire the true voltage to be within 0.01V of the collected data average with 90% confidence, i.e. x ± Za/2° = x + 0.01V - Za12 = 0.01V Set p = 0.9 Determine a/2 = (1 - p)/2 Do reverse lookup in a Z table, or use Excel function NORM.INV(0.95,0,1). Also, you must have a value for O, the population standard deviation. For this question, assume it is 0.028. Next, rearrange the equation to solve for N.
ge dverage, Voltage interval × ± given variation, with a given level of confidence. Suppose you desire the true voltage to be within 0.01V of the collected data average with 90% confidence, i.e. x ± Za/2° = x + 0.01V - Za12 = 0.01V Set p = 0.9 Determine a/2 = (1 - p)/2 Do reverse lookup in a Z table, or use Excel function NORM.INV(0.95,0,1). Also, you must have a value for O, the population standard deviation. For this question, assume it is 0.028. Next, rearrange the equation to solve for N.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
In this exercise you will determine how many data values you’ll need to collect so that the true voltage is within the given variation from the collected data average, i.e. the true voltage is within the interval ± given variation, with a given level of confidence.
Suppose you desire the true voltage to be within 0.01V of the collected data average with 90% confidence, i.e.
Set p = 0.9
Determine α/2 = (1 - p)/2Do reverse lookup in a Z table, or use Excel
Next, rearrange the equation to solve for N.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON