3. Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 100 disks are summarized as follows: Shock Resistance High Low Scratch Resistance High 70 9. Low 16 5 a. If a disk is selected at random, what is the probability that its scratch resistance is high and shock resistance is high? b. If a disk is selected at random, what is the probability that its scratch is high or its shock resistance is high? c. Consider the event that a disk has high scratch resistance and the event that a disk has high shock resistance. Are these two events are mutually exclusive?

3. Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 100 disks are summarized as follows: Shock Resistance High Low Scratch Resistance High 70 9. Low 16 5 a. If a disk is selected at random, what is the probability that its scratch resistance is high and shock resistance is high? b. If a disk is selected at random, what is the probability that its scratch is high or its shock resistance is high? c. Consider the event that a disk has high scratch resistance and the event that a disk has high shock resistance. Are these two events are mutually exclusive?

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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Equations and inequalities describe the relationship between two mathematical expressions.

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Question

3. Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The
results from 100 disks are summarized as follows:
Shock Resistance
High
Low
Scratch Resistance
High
70
Low
16
a. If a disk is selected at random, what is the probability that its scratch resistance is high and shock
resistance is high?
b. Ifa disk is selected at random, what is the probability that its scratch is high or its shock resistance
is high?
c. Consider the event that a disk has high scratch resistance and the event that a disk has high shock
resistance. Are these two events are mutually exclusive?

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