Which of the following is a true statement about nonrandom samples? Nonrandom samples are never really useful. Nonrandom samples have sampling error in them whereas random samples are free of sampling error. In nonrandom sampling, not every observation has the same probability of being selected. Nonrandom samples are usually difficult to get.

Q: What is the area of this figure? 20 mi 7 mi 13 mi 3 mi 7 mi 3 mi 4 mi 10 mi Write your answer using…

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Q: please send the solution photo.. thank uou

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Q: please provide the correct answer

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Q: 6) Find f'(-2) for each of the following functions.

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Q: Please review. Solution provided is incorrect and unreadable.

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Q: Simplify. a2 4a +3 3 4 a 1 a 3 Preview +

A: The given expression is,

Q: Graph. y = - x² + 2x - 8 Use the graphing tool to graph the equation. Click to enlarge graph

A: Hello! Thank you for the question. We'll able to solve only one question as per our honor code.

Q: Do 1 and 4.

A: Given Diffrential equation is yι=3x2    →1 and solution:    y=x3+7  →2

Q: only one answer is correct

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Q: 1. Let (x) = x2 + 2. Then (*+h)-f(x) A) 2x + h 2xh+ h2+4 C) B) 1 D) None of the above

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A theater group holds a fund-raiser. It sells 100 raffle tickets for $7 apiece. Suppose you purchase…

A: A theater group holds a fund-raiser. It sells 100 raffle tickets for $7 apiece.Four tickets are…

Q: Can you please recheck the solution

A: The solution is perfectly fine, we give another Linear Algebra technique to support the answer which…

Q: The question and answers are in the screenshot

A: Answer and explanation is given below...

Q: can you please answer number 7 and show you did the work.

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