Question: I need help with these questions for my homework assignment 1. Why can we not have confidence level of 100%? 2. Why is it recommended

I need help with these questions for my homework assignment

1. Why can we not have confidence level of 100%?

2. Why is it recommended to formulate a hypothesis so that it becomes the alternative (but not null) hypothesis?

3,4 have to be true or false

3. The higher the confidence level, the narrower the confidence interval.

4. If we fail to reject the null hypothesis, we reject the alternative hypothesis.

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