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1 answer:
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The answer is 1 hr 28 min. picture included for work. there are other ways to solve this
Answer is option(3.)
Answer:
Step-by-step explanation:
Given that there is a t distribution with 7 degrees of freedom.
P(-1.29 < t < 1.29)=1-0.2380
=0.7620
b) Now there is a different t distribution with 18 df.
When
c=-1.733