An observer who is 3km from a launchpad watches a rocket that is rising vertically. At a certain point in time the observer measures the angle between the ground and her line of sight of the rocket to be t/3 radians. If at that moment the angle is increasing at a rate of 1/8 radians per second, how fast is the rocket rising when she made the measurement?

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A: the question is related to inequality we solve it.

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A: I have to answer for part-d and part-e, so i use the previous result .

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A: It is an important part of statistics. It is widely used.

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.