SAT scores are normally distributed with a mean of 1200 and a variance of 1600. What...

SAT scores are normally distributed with a mean of 1200 and a variance of 1600. What is the probability that a random sample of 64 scores will yield a mean score between 1205 and 1210? (what is the probability that a random sample of 16 scores will yield a mean score less than 1192.5?)

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TOPIC:Sampling distribution of the sample mean and the required probabilities.

orchestra answered 1 year ago

SAT scores are normally distributed with a mean of 1200 and a variance of 1600. What...

SAT scores are normally distributed with a mean of 1200 and a variance of 1600. What is the probability that a random sample of 16 scores will yield a mean score less than 1192.5?

3) Scores on the SAT are normally distributed with a mean of 500 and a standard...

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The SAT scores for students are normally distributed with a mean of 1000 and a standard...

The SAT scores for students are normally distributed with a mean of 1000 and a standard deviation of 200. What is the probability that a sample of 45 students will have an average score between 970 and 1010? Round your answer to 3 decimal places.

The SAT scores for students are normally distributed with a mean of 1000 and a standard...

The SAT scores for students are normally distributed with a mean of 1000 and a standard deviation of 200. What is the probability that a sample of 36 students will have an average score between 970 and 1010? Round your answer to 3 decimal places.

SAT scores normal distributed mean 985 and standard deviation of 169. AMT scores are normally distributed...

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SAT verbal scores are normally distributed with a mean of 430 and a standard deviation of...

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ACT and SAT scores are both known to be normally distributed. In 2017, the mean and...

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Assume that SAT scores are normally distributed with a mean of 1000 and a standard deviation...

Assume that SAT scores are normally distributed with a mean of 1000 and a standard deviation of 150. Use this information to answer the following questions. Round final answers to the nearest whole number. What is the lowest SAT score that can be in the top 10% of testers? What is the highest SAT score that can be in the bottom 5% of testers? Between which two SAT scores do the middle 50% of testers lie?

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SAT scores are normally distributed with a mean of 1200 and a variance of 1600. What...

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SAT scores are normally distributed with a mean of 1200 and a variance of 1600. What...

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