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An OLED television screen consists of 2,000 pixels. The number of bad pixels has a Poisson distribution with a rate of 1 bad pixel per thousand pixels. A screen is considered Grade A if there are no bad pixels, Grade B if there are at most three bad pixels, and Grade C otherwise. The price of a TV unit depends on the grade of its screen: $200 for Grade A, $180 for Grade B, and $150 for Grade C. 1. What is the expected price of a TV unit? 2. What is the expected number of bad pixels in a Grade B unit? 3. Give a good approximation of the probability that at most 17 units out of 98 produced are Grade C.

An OLED television screen consists of 2,000 pixels. The number of bad pixels has a Poisson distribution with a rate of 1 bad pixel per thousand pixels. A screen is considered Grade A if there are no bad pixels, Grade B if there are at most three bad pixels, and Grade C otherwise. The price of a TV unit depends on the grade of its screen: $200 for Grade A, $180 for Grade B, and $150 for Grade C. 1. What is the expected price of a TV unit? 2. What is the expected number of bad pixels in a Grade B unit? 3. Give a good approximation of the probability that at most 17 units out of 98 produced are Grade C.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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An OLED television screen consists of 2,000 pixels. The number of bad pixels has a Poisson distribution with a rate of 1 bad pixel per thousand pixels. A screen is considered Grade A if there are no bad pixels, Grade B if there are at most three bad pixels, and Grade C otherwise. The price of a TV unit depends on the grade of its screen: $200 for Grade A, $180 for Grade B, and $150 for Grade C. 1. What is the expected price of a TV unit? 2. What is the expected number of bad pixels in a Grade B unit? 3. Give a good approximation of the probability that at most 17 units out of 98 produced are Grade C.
Transcribed Image Text:An OLED television screen consists of 2,000 pixels. The number of bad pixels has a Poisson distribution with a rate of 1 bad pixel per thousand pixels. A screen is considered Grade A if there are no bad pixels, Grade B if there are at most three bad pixels, and Grade C otherwise. The price of a TV unit depends on the grade of its screen: $200 for Grade A, $180 for Grade B, and $150 for Grade C. 1. What is the expected price of a TV unit? 2. What is the expected number of bad pixels in a Grade B unit? 3. Give a good approximation of the probability that at most 17 units out of 98 produced are Grade C.
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