Answer:
The confidence interval is 6.6<μ<6.8.
Step-by-step explanation:
We have:
Number of observations = 601
Mean = 6.7
Standard deviation σ = 1.5
The z-score for a 95% confidence interval is 1.96.
The limits of the confidence interval can be calculated as

The confidence interval is 6.6<μ<6.8.
Answer:
55 mph
Step-by-step explanation:
220m per 4 hours
so 220 devieded by 4 gives u your answer
Answer:
1.33
Step-by-step explanation:
480 divided by 360 gets you 1.33
That is correct since the line in T is not straight it would eventually hit the third quadrant
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Answer:
make 10 copies and each will be sold for 200dollars