For a random variable x(−∞<x<∞) following normal distribution, the mean is μ=100. If the probability is P=αforx≥110. Then the probability of x lying between 90 and 110 i.e. P(90≤x≤110) and equal to
A
1−2α
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B
1−α
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C
1−α/2
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D
2α
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Solution
The correct option is A1−2α Given P(x>110)=α ... (1)