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Based on the number of voids, a ferrite slab is classified as either high medium or low. Historically, 4% of the slabs are classified as high, 82% as medium and 14% as low. A sample of 20 slabs is selected for testing. Let X, Y, and Z denote the number of slabs that are independently classified as high, medium, and low, respectively. Determine the following. Round your answers to four decimal places (e.g. 98.7654). (a) P(X= 1, Y = 17, Z = 3) (b) P(X ≤ 1, Y = 17, Z = 3) (c) P(X ≤ 1) (d) E(X)

Based on the number of voids, a ferrite slab is classified as either high medium or low. Historically, 4% of the slabs are classified as high, 82% as medium and 14% as low. A sample of 20 slabs is selected for testing. Let X, Y, and Z denote the number of slabs that are independently classified as high, medium, and low, respectively. Determine the following. Round your answers to four decimal places (e.g. 98.7654). (a) P(X= 1, Y = 17, Z = 3) (b) P(X ≤ 1, Y = 17, Z = 3) (c) P(X ≤ 1) (d) E(X)

A First Course in Probability (10th Edition)
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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Based on the number of voids, a ferrite slab is classified as either high medium or low. Historically, 4% of the slabs are classified as high, 82% as medium and 14% as low. A sample of 20 slabs is selected for testing. Let X, Y, and Z denote the number of slabs that are independently classified as high, medium, and low, respectively. Determine the following. Round your answers to four decimal places (e.g. 98.7654). (a) P(X= 1, Y = 17, Z = 3) (b) P(X ≤ 1, Y = 17, Z = 3) (c) P(X ≤ 1) (d) E(X)
Transcribed Image Text:Based on the number of voids, a ferrite slab is classified as either high medium or low. Historically, 4% of the slabs are classified as high, 82% as medium and 14% as low. A sample of 20 slabs is selected for testing. Let X, Y, and Z denote the number of slabs that are independently classified as high, medium, and low, respectively. Determine the following. Round your answers to four decimal places (e.g. 98.7654). (a) P(X= 1, Y = 17, Z = 3) (b) P(X ≤ 1, Y = 17, Z = 3) (c) P(X ≤ 1) (d) E(X)
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