2. The scores on one portion of a standardized test are approximately Normally distributed, N(572, 51). a. Use the 68-95-99.7 rule to estimate the range of scores that includes the middle 95% of these...

2. The scores on one portion of a standardized test are approximately Normally<br>distributed, N(572, 51).<br>a. Use the 68-95-99.7 rule to estimate the range of scores that includes the middle<br>95% of these test scores.<br>b. Use technology to estimate the range of scores that includes the middle 90% of<br>these test scores.<br>

Extracted text: 2. The scores on one portion of a standardized test are approximately Normally distributed, N(572, 51). a. Use the 68-95-99.7 rule to estimate the range of scores that includes the middle 95% of these test scores. b. Use technology to estimate the range of scores that includes the middle 90% of these test scores.

Jun 03, 2022

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2. The scores on one portion of a standardized test are approximately Normally distributed, N(572, 51). a. Use the 68-95-99.7 rule to estimate the range of scores that includes the middle 95% of these...

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