4. A manufacturing process claims to produce no more than 1% defective items. A QC staff goes inspecting items one after another randomly until he/she finds the first defective one (a) If the process exactly produces 1% defective items, what is the probability that to find the first defective item he/she needs to inspect at MOST 10 items? (b) How many items does the staff EXPECT to inspect to find the first defective one, if the claim is true? (c) If the staff got the first defective item at exactly the 10th inspection, will it be a convincing evidence against the claim? (This requires an understanding of the meaning of probability)
4. A manufacturing process claims to produce no more than 1% defective items. A QC staff goes inspecting items one after another randomly until he/she finds the first defective one (a) If the process exactly produces 1% defective items, what is the probability that to find the first defective item he/she needs to inspect at MOST 10 items? (b) How many items does the staff EXPECT to inspect to find the first defective one, if the claim is true? (c) If the staff got the first defective item at exactly the 10th inspection, will it be a convincing evidence against the claim? (This requires an understanding of the meaning of probability)
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
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Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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