3 years ago

Without actually multiplying, how can you tell if the product of two numbers will be negative?

1 answer:

8 0

Answer:

There are two simple rules to remember: When you multiply a negative number by a positive number then the product is always negative.

Step-by-step explanation:

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A graduate student wanted to estimate the average time spent studying among graduate students at her school. She randomly sample

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Answer:

B. The width of the confidence interval would be smaller.

Step-by-step explanation:

By reducing the confidence level from 99% to 95%, the student assumes that there is more uncertainty about the new confidence interval than the previous one. That, being said, since the results aren't as certain, the confidence interval is widened towards a central average point because the new interval isn't as accurate.

Therefore, the answer is B. The width of the confidence interval would be smaller.

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3 years ago

Find the area. a) 16 units2 b) 98 units2 c) 8√3 units2 d) 16√3 units2

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I hope this helps you