Disks of polycarbonate plastic froma supplier are analyzed for scratch and shock resistance. The results from 121 disks are summarized as follows: Shock Resistance High Low Scratch High 78 12 Resistance Low 11 20 Let A denote the event that a disk has high shock resistance, and let B denote the event that a disk has high scratch resistance. If a disk is selected at random, determine the following probabilities. Round your answers to two decimal places (e.g. 98.76). (a) P(A) i (b) P(B) = i (c) P(A') - i
Disks of polycarbonate plastic froma supplier are analyzed for scratch and shock resistance. The results from 121 disks are summarized as follows: Shock Resistance High Low Scratch High 78 12 Resistance Low 11 20 Let A denote the event that a disk has high shock resistance, and let B denote the event that a disk has high scratch resistance. If a disk is selected at random, determine the following probabilities. Round your answers to two decimal places (e.g. 98.76). (a) P(A) i (b) P(B) = i (c) P(A') - i
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
Related questions
Question
ABC only prpbablity question
![Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 121 disks are
summarized as follows:
Shock Resistance
High
Low
Scratch
High
78
12
Resistance
Low
11
20
Let A denote the event that a disk has high shock resistance, and let B denote the event that a disk has high scratch resistance. If a disk
is selected at random, determine the following probabilities. Round your answers to two decimal places (e.g. 98.76).
(a) P(A) = i
(b) P(B) =
i
(c) P(A') = i
(d) P(AN B) = i
(e) P(A U B) = i
(f) P(A' U B) = i](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fae50d9fd-d459-411c-951a-611d7e7e584c%2F4d3bfea4-7c15-436c-aa0f-e68f5bcbae5e%2Fs7mkssm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 121 disks are
summarized as follows:
Shock Resistance
High
Low
Scratch
High
78
12
Resistance
Low
11
20
Let A denote the event that a disk has high shock resistance, and let B denote the event that a disk has high scratch resistance. If a disk
is selected at random, determine the following probabilities. Round your answers to two decimal places (e.g. 98.76).
(a) P(A) = i
(b) P(B) =
i
(c) P(A') = i
(d) P(AN B) = i
(e) P(A U B) = i
(f) P(A' U B) = i
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