10 The distribution of the weights of those rowing in a very large regatta may be taken to be normal with mean 80 kg and standard deviation 8 kg. (i) What total weight would you expect 70% of randomly chosen crews of four rowers to exceed? (ii) State what assumption you have made in answering this question and comment on whether you consider it reasonable.

Q: Question attached

A: Given information- Sample proportion, p = 0.25 We know that, sample is best estimator of population…

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Q: Evaluate

A: Explanation of the answer is as follows

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A: Test is that whether weights​ of quarters made after 1964 have a mean equal to 5.670 g.

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A: topic - quadratic equations

Q: 10+7=?

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Q: R 7 6.4 6. a

A: For similar triangle, ratio of corresponding sides are equal

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A: The quadratic function has vertex (-2,3) and a point on graph 1, 12

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Q: ANSWER

A: Given data : Total number  of people  (n)= 6 Select from group (r) = 4

Q: Kinda lost

A: here the graph passes two times  through the x -axis  so there will be two roots

Q: Question attached

A: Hello. Since your question has multiple parts, we will solve the integration by first six part for…

Q: O V-100 -125 3. 3-125

A:

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.