Question: 3. If a random variable has a symmetric distribution with mean 100 and variance 100, bound the probability that the random variable is above 70.

3. If a random variable has a symmetric distribution with mean

3. If a random variable has a symmetric distribution with mean 100 and variance 100, bound the probability that the random variable is above 70. Use Chebychev's formula 1-1/k, not z tables

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