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Objective type problems for uniform and normal distribution.

1. Consider the continuous arbitrary variable X and which has a uniform distribution over the interval from 20 to 28. The probability that X will take on a value between 21 and 25 is

1) 0.125
2) 0.250
3) 0.500
4) 1.000

2. Z is a standard normal arbitrary variable. The P (1.41< Z < 2.85) equals

1) 0.4978
2) 0.4207
3) 0.9185
4) 0.0771

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M921190

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