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1. A geological study indicates that wells drilled in a certain area should strike water with probability 0.2. Find the probability that:

a) first strike of water comes in the 3rd well drilled

b) 3 strikes of water in 5 drills

2. A large elevator has a max weight limit of 10,000 lbs. Suppose a load has 45 boxes. This has a probability distribution with mean = 200 lbs and standard deviation = 55 lbs.

a) What is the probability that all 45 boxes can be loaded in 1 trip?

b) what assumptions have to be satisfied.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9374391

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