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Examen
Sophia Intro to Stats Unit 5 Milestone 5,.
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---23noviembre 20232023/2024A+
- 1.5% for each tail. The lower tail would be at 0.015 and the upper tail would be at (1 - 0.015) or 0.985. The 
value of 0.9850 is actually on the z-table exactly. 
0.9850 corresponds with a z-score of 2.17. 
CONCEPT 
Confidence Intervals 
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George measured the weight of a random sample of 49 cartons of apples. The mean weight was 45.5 pounds, 
with a standard deviation of 3. 
To see if the cartons have a significantly different mean weight from 46 pounds, what would the value of 
the z-test sta...
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