Answer:
1737.00 Step-by-step explanation:
Heres how you do it:> I used calculator soup. feel free to mark brainliest
Kent is making a scale model of his favorite train. The actual train is 12 feet long and 4 feet wide. Kent wants his model to be
2 answers:
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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