Answer:
The t-distribution is used.
Step-by-step explanation:
When we dont know the standard deviation of the population, we use the t-distribution(t-table).
Otherwise, the z-distribution(z-table) is used.
So the answer to this question is the t-distribution.
Answer:
negative
Step-by-step explanation:
Answer: 32/35
Step-by-step explanation:
got it correct
Answer:
ok and thank you for point