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QUESTION 4 A normal distribution has a mean of m= 100 with s = 20. If one score is randomly selected from this distribution,
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Answer #1

From the given information,

Que. 4

By using calculator,

The required correct answer is,

P(90<X<110)= 0.3830

i.e., Option c. is correct.

Que. 5.

Here, All the three choices are correct.

Hence, Last option d. is correct.

Thank you.

Please help me out by just rating the answer.

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