Suppose we know that a confidence interval is (41.5, 47.3). Find the error bound and the sample mean. Round to 2 places where possible. a. Mean = b. Error Bound=

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A: The answer is in step 2.

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A: To determine the number of solutions of the below equation. n2-13n=-40

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A:

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A:

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A:

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A: The standard form of the quadratic equation is: roots of the quadratic equation is given by:

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A: Here A = 21-14 Let λ be the eigen value of A, then A - λI = 0 ⇒2-λ1-14-λ =0 i.e. (2-λ)(4-λ) + 1 =…

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A:

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A: We can find the answer as below

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A: The objective is to solve the above question.

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A: Recall the following fact.

Q: e – Va + 6

A: Solution : The given equation is    x=√x + 6