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Author Question: For a certain type of fabric, the average number of defects in each square foot of fabric is 0.9. ... (Read 217 times)

ss2343

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on: Aug 1, 2018
For a certain type of fabric, the average number of defects in each square foot of fabric is 0.9. Find the probability that a randomly selected square foot of the fabric will contain more than one defect.
 
  A) 0.1647 B) 0.7725 C) 0.2275 D) 0.6341

Question 2

The number of lightning strikes in a year at the top of a particular mountain has a Poisson distribution with a mean of 3.1. Find the probability that in a randomly selected year, the number of lightning strikes is 5.
 
  A) 0.0026 B) 0.1397 C) 0.1827 D) 0.1075


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robbielu01

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Reply #1 on: Aug 1, 2018
Answer to Question 1

C

Answer to Question 2

D


ss2343

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Reply 2 on: Aug 1, 2018
YES! Correct, THANKS for helping me on my review

kusterl

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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