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Question

What is the answer

Question What is the answer-example-1
User Sam Farmer
by
8.0k points

1 Answer

7 votes

Answer:

0.0228, Hope that useful for you.

Explanation:

Because of " the scores...normally distributed of a mean 310 and the standard deviation 12", we can use the Central limit theorem.

That means:

(
P(X>334)= P((X-E(X))/(SD(X))>(334-310)/(12))= P(Z>2)= 1-P(Z\leq 2)= \\1- 0.9772= 0.0228

User Jeff Langemeier
by
8.9k points

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