(Continuous random variable) Impurities in the batch of the final product of a chemical process often reflect a serious problem. From a considerable amount of data collected at the plant it is known that the proportion of impurities (Y) in a batch has a density function given by: f(y) = {10(1- -{10(1-y)⁹ 0≤y≤1 en otro caso The lot is considered unsaleable, and therefore, is not acceptable if the percentage of impurities is higher than 60%. a. Verify that the above function is indeed a probability density function. b. Calculate the probability of rejecting a lot due to impurities.
(Continuous random variable) Impurities in the batch of the final product of a chemical process often reflect a serious problem. From a considerable amount of data collected at the plant it is known that the proportion of impurities (Y) in a batch has a density function given by: f(y) = {10(1- -{10(1-y)⁹ 0≤y≤1 en otro caso The lot is considered unsaleable, and therefore, is not acceptable if the percentage of impurities is higher than 60%. a. Verify that the above function is indeed a probability density function. b. Calculate the probability of rejecting a lot due to impurities.
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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![(Continuous random variable) Impurities in the batch of the final product of a chemical process
often reflect a serious problem. From a considerable amount of data collected at the plant it is
known that the proportion of impurities (Y) in a batch has a density function given by:
= {10(1-y)⁹
f(y):
0 ≤ y ≤ 1
en otro caso
The lot is considered unsaleable, and therefore, is not acceptable if the percentage of
impurities is higher than 60%.
a. Verify that the above function is indeed a probability density function.
b. Calculate the probability of rejecting a lot due to impurities.
c. Calculate the expected value of impurities in the batch.
d. Assume that the lot sells for $792 and you have to pay operating expenses of $50 for the lot.
Calculate the expected profit.
e. Calculate the standard deviation of the impurities in the lot and the profit.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F481ba9ff-af16-41c9-976d-85ecb2daa95f%2Ff5c624ac-5967-4fb6-88da-5fb77cc6197e%2F6ihlxex_processed.png&w=3840&q=75)
Transcribed Image Text:(Continuous random variable) Impurities in the batch of the final product of a chemical process
often reflect a serious problem. From a considerable amount of data collected at the plant it is
known that the proportion of impurities (Y) in a batch has a density function given by:
= {10(1-y)⁹
f(y):
0 ≤ y ≤ 1
en otro caso
The lot is considered unsaleable, and therefore, is not acceptable if the percentage of
impurities is higher than 60%.
a. Verify that the above function is indeed a probability density function.
b. Calculate the probability of rejecting a lot due to impurities.
c. Calculate the expected value of impurities in the batch.
d. Assume that the lot sells for $792 and you have to pay operating expenses of $50 for the lot.
Calculate the expected profit.
e. Calculate the standard deviation of the impurities in the lot and the profit.
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