Question 8. This question is similar to Exercise 11 on page 363 of your textbook. Let t be a t-random variable. = 0.05 and 65 degrees of freedom. Use Excel function =t.inv to find a. P(t 2.16) df =23 This is a fill-in-blank question. Do not show your work. Write your answer with the format of # ### ## ### ##### The first number is for (i), the second number is for (ii), and so on.

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