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X is a binomial random variable with the parameters shown. Use the special formulas to compute...

X is a binomial random variable with the parameters shown. Use the special formulas to compute its mean μ and standard deviation σ.

1. n = 8, p = 0.43

2. n = 47, p = 0.82

3. n = 1200, p = 0.44

4. n = 2100, p = 0.62

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