Q1. (Unit 4) The tensile strength of a metal part is normally distributed with mean 40 lb and standard deviation 8 lb. If 50,000 parts are produced, a) how many would fail to meet a minimum specification limit of 34 lb tensile strength? b) How many would have a tensile strength in excess of 48 lb?
Q1. (Unit 4) The tensile strength of a metal part is normally distributed with mean 40 lb and standard deviation 8 lb. If 50,000 parts are produced, a) how many would fail to meet a minimum specification limit of 34 lb tensile strength? b) How many would have a tensile strength in excess of 48 lb?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The tensile strength of a metal part is normally distributed with mean 40 lb and standard deviation 8 lb. If 50,000 parts are produced,
a) how many would fail to meet a minimum specification limit of 34 lb tensile strength?
b) How many would have a tensile strength in excess of 48 lb?
![Q1. (Unit 4) The tensile strength of a metal part is normally distributed with mean 40 lb and standard
deviation 8 lb. If 50,000 parts are produced,
a) how many would fail to meet a minimum specification limit of 34 lb tensile strength?
b) How many would have a tensile strength in excess of 48 lb?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F213cd934-e498-45a2-bd04-3edcb4d4ca08%2Ff7817a4f-6baf-4bc9-8847-0bb1f0e9b6ee%2Fsy75fql_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1. (Unit 4) The tensile strength of a metal part is normally distributed with mean 40 lb and standard
deviation 8 lb. If 50,000 parts are produced,
a) how many would fail to meet a minimum specification limit of 34 lb tensile strength?
b) How many would have a tensile strength in excess of 48 lb?
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