Please can u answer ASAP it’s due at 11:59 online vibes lol
1 answer:
You might be interested in
Answer:
(48.3875, 51.6125)
Step-by-step explanation:
At 99% level of significance
From the normal standard deviation table
Considering that
±
=50±
50±2.33(0.625)=50±1.6125=(48.3875, 51.6125)
Therefore, there’s 99% confidence that the mean lifetime of a certain brand of tires is between 48.3875 and 51.6125