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SAT scores have a mean of 1000 and a standard deviation of 220. Q18: What is the...

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Basic Math

SAT scores have a mean of 1000 and a standard deviation of220.

Q18: What is the probability that a random student will scoremore than 1400?

Q19: Using the Central Limit Theorem, what is the probabilitythat sample of 100 students will have an average score less than990?

Q20: Using the Central Limit Theorem, what is the probabilitythat sample of 100 students will have an average score between 990and 1010?

Use excel functions to calculate your answers.

Answer & Explanation Solved by verified expert
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Question 18P X 1400 1 P X 1400 Standardizing the valueZ 1400 1000    See Answer
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