# Males make a mean of 531 on math SAT with standard deviation of 114. Minimum 600 score. what's the % of males that don't satisfy this requirement?

Pregnancies usually distributed mean of 268 days and standard distribution 15 days. Baby born three week premature at least 3 weeks early. what's the % babies born premature?

Use the same website computational tool I provided in your other question,

For the first problem, mean = 531, std deviation = 114, start, 600; end: any number at leat 5 std deviations above the mean, like 2000. I get 27.25%

For the second one, mean=268, std dev. = 15, start around 180 or less, end 247 (3 weeks early). I get 8.08%

A normal curve will not apply to all pregnancies since there is a high fraction of short-term miscarriages

8 months ago

## To calculate the percentage of males who don't satisfy the requirement of scoring at least 600 on the math SAT, you can use the provided computational tool. Here's how to do it:

1. Open the computational tool website provided: http://psych.colorado.edu/~mcclella/java/normal/accurateNormal.html

2. In the input boxes, enter the following values for the first problem:

- Mean: 531
- Standard Deviation: 114
- Start: 600 (the minimum score requirement)
- End: Choose a number at least 5 standard deviations above the mean, for example, 2000.

3. Click the "Submit" or "Calculate" button to get the result.

4. The tool will display the percentage of males who scored below the minimum requirement of 600. According to your calculation, the result is 27.25%.

Now, let's move on to the second problem. To calculate the percentage of babies born premature, you can follow these steps:

1. Open the same computational tool website: http://psych.colorado.edu/~mcclella/java/normal/accurateNormal.html

2. Input the following values for the second problem:

- Mean: 268 (mean duration of pregnancies)
- Standard Deviation: 15 (standard deviation of pregnancy duration)
- Start: Choose a number around 180 or less (to represent premature births)
- End: 247 (3 weeks early from the mean duration)

3. Click the "Submit" or "Calculate" button to obtain the result.

4. The tool will provide you with the percentage of babies born premature. According to your calculation, the result is 8.08%.

Keep in mind that while a normal distribution is generally used for statistical calculations, there may be exceptions, such as pregnancies with a high risk of short-term miscarriages.

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