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Suppose there is a normally distributed population which has a mean of ? = 440and a...

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Basic Math

Suppose there is a normally distributed population which has amean of ? = 440and a standard deviation of ? = 60. (15p)

1.What portion of a normal distribution is below 295?

2. What z-score would correspond to a raw score of 260?

3. What raw score would correspond to a z score of -3.5?

4. If we randomly select one score from this population, what isthe probability that will be less than 550?

5. If we randomly select one score from this population, what isthe probability that will be greater than 580?

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Solution Given that mean 440standard deviation 601 Px 295 Px    See Answer
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