Suppliers A and B have each sent us samples of 50 items to examine. We will choose between them to award a contract. The samples have the same mean and range. However, the standard deviation of A's product is 15 and B's is 5. One may conclude that:

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A: NOTE: As per the guidelines, we are supposed to solve one question only. Please repost others as…

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A: Please refer the attached image for complete solution.

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Q: 5. Give a recursive definition of the set of positive integers that are multiples of 5.

A: Solution

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Q: For a random variable X, suppose that E[X] = 4 and Var(X) = 9. Then %3D (a) E[(4 + X)²] = (b) Var(5…

A: We have given that  X is a random variable  E(X) = 4  And Var( X)  = 9

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A: Given Data: f(x)=x2-7 x1=2

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Q: a. Draw the Venn diagram for 4₁. Express in "expanded format": AU (B₁) = n(AUB₁).

A: We draw Venn diagram.