For random variable x( - infty x infty ) following...

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For random variable x($$ - \infty $$ < x < $$\infty $$) following normal distribution, the mean is μ = 100. If probability is P = α for x ≥ 110. Then probability of x lying between 90 and 110 i.e., P(90 ≤ x ≤ 110) is equal to

A. 1 - 2α

B. 1 - α

C. $$1 - \frac{\alpha }{2}$$

D. 2α

Answer: Option A

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