Question
For a normal probability distribution Mean $=$ Variance. If standard deviation is $15$ then what is the mean of distribution?
| Mean $(μ) =$ Variance $(\sigma)^2$ |
| Here, $\sigma = 15$ |
| $\therefore \sigma^2 = (15)^2 = 225$ |
| $\therefore $ Value of mean $(\mu ) = 225.$ |
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