Can you explain your answers!

1)In order to find the critical t value for a confidence interval, always use a

2)When conducting a t-test, if the absolute value of the t-statistic that we calculate is less than the critical t value, we _________ the null hypothesis.

3)For a two sample t-test, an alternative hypothesis specifying that the means of each sample are likely to be different and that one mean is higher than the other in the population implies that a ___________ is necessary.

4)After performing a t-test, if I conclude with 95% confidence that I can reject the ________________, then I am 95% confident that I can accept the alternative hypothesis.