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Question

Mathematics Question on Probability

Given below are two statements about a normally distributed data.
Statement I : 95.45% of the occurrences will lie between Xˉ±3σ\bar {X}±3σ.
Statement II : 68.27% of the occurrences will lie between Xˉ±1σ\bar {X}±1σ.
In the light of the above statements, choose the correct answer from the options given below:

A

Both Statement I and Statement II are true

B

Both Statement I and Statement II are false

C

Statement I is true but Statement II is false

D

Statement I is false but Statement II is true

Answer

Statement I is false but Statement II is true

Explanation

Solution

The correct option is (D): Statement I is false but Statement II is true.