Question: 1. Consider a binomial random variable where the number of trials is 9 and the probability of success on each trial is 0.43. Find the

1. Consider a binomial random variable where the number of trials is 9 and the probability of success on each trial is 0.43. Find the mean and standard deviation of this random variable.

2. Define Type I error in your own words.

3. When should we use the t distribution?

4. How do we find the degrees of freedom when using the t-distribution to estimate or test the mean of a sample from a single population?

5. If my p-value = .035 and my significant level is .05, what do I say about the Null and/or Alternative Hypothesis?

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