Mathematics, 06.05.2020 03:44 Shadow0202
An astronomer is interested in measuring in light years, the distance from his observatory to a distant star. If the astronomer believes that the values of the measurements are independent and identically distributed random variables with common mean LaTeX: dd (the actual distance) and a common variance of 9 (light years), how many measurements must he make to be 95% sure that his estimated distance is accurate to within + - 1.0 light year?
Answers: 2
Mathematics, 21.06.2019 22:30
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In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
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Mathematics, 21.06.2019 23:00
Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer
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An astronomer is interested in measuring in light years, the distance from his observatory to a dist...
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