Answered: Nine diodes were sampled to measure the…

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...

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Nine diodes were sampled to measure the manufactured diode’s forward voltage as shown in the table above. Use these data to calculate three interval types (shown below. For all computations, assume an approximately normal distribution. The mean sample and standard deviation for the given data are ?̅ = 0.7 ? and ? = 0.1 ?.

a. Find a 99% confidence interval on the mean forward voltage drop.

b. Compute a 99% prediction interval on a measured forward voltage of a diode after manufacturing.

c. Find the 99% tolerance limits that will contain 95% of the diodes manufactured.

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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