Answer: c
Step-by-step explanation:
Answer:
yes, if |a|=|b| then a = b......
Answer:
The answer is between first option and last option.
Step-by-step explanation:
That my Contributions to this questions
I would love to help you but you haven’t given the sets
Answer: 
Step-by-step explanation:
Hypothesis testing

For this problem, we need to use the t-student distribution to make inference about the data. We calculate the t-statistics as below:

Using a t-statistics table, or using the function TDIST in Microsoft Excel with
with two-tailed distribution, we obtain
.