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A random variable x has an exponential distribution with a mean of 200. What is P(x > 100)? 0.60 0.135 0.367 0.40 If X is
- A random variable x has an exponential distribution with a mean of 200. What is P(x > 100)?
0.60
0.135
0.367
0.40
- If X is a normal random variable with a mean of 15 and a standard deviation of 3, then P(X = 18) is
0.3413
0.0000
0.1587
0.8413
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