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01.03.2021 •
Mathematics
A train left for Houston, and 5 hours later, a car traveling 74 mph tried catching up to the train. After 8 hours, the car caught up. What was the train's average speed?
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Ответ:
98% Confidence interval: (0.5483,0.6891)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 257
Number of adults total body length was 28 feet or longer, x = 159
98% Confidence interval:
Putting the values, we get:
is the required 98% confidence interval.