Answer:
Step-by-step explanation:
From the information given:


The type 1 error is rejecting
when
The meaning of Type 1 error is rejecting the claim that the mean running time is 9.7 hours when actually the mean running time is greater than 9. 7 hour.
Answer:
a
Step-by-step explanation:
use ur brain
This is simple proportions, because of their similarity:

Answer:C
Step-by-step explanation:
because......