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for 1. I got 1/80. for 2 i got 5/8. 3: for mean: 60, for standard deviation i got 23.09, and for variance I got

for 1. I got 1/80. for 2 i got 5/8. 3: for mean: 60, for standard deviation i got 23.09, and for variance I got 533.15. Can you check this for me?

Q3. A random variable follows the continuous uniform distribution between 20 (a) and 100 (b), calculate 1. P(x=70)? 2. P0680)? 3. What is mean, standard deviation, and variance

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