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A few Statistic Problems

9. Find the z-value for an x-value of 121 for a normal distribution with a mean of 100 and a standard deviation of 16.9. 10. Find the probability of x being less than 69 for a normal...

Solar Systems

1.  Due to the tilt of the Earth's axis, which of the following occurs?  (A) the length of daylight and night varies throughout the year, (B) the slant of the sun's rays vary throughout...

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