BradFarquharson1105
13.03.2020 •
Mathematics
A random sample of BYU-Idaho students was surveyed and asked if they were in favor of retaining the penny as a form of currency in the United States. Out of the 116 women surveyed, 80 said that they were in favor of retaining the penny as a form of currency. Of the 137 men surveyed, 91 said that they were in favor of retaining the penny. For these questions, let group 1 represent women and group 2 represent men. Use this information to answer questions 1 through 7.
1. Are the requirements met to create a confidence interval and conduct a hypothesis test?
Yes. The requirements are met for both.
No. The requirements aren't met for a confidence interval or a hypothesis test.
The requirements are only met for creating a confidence interval.
The requirements are only met for conducting a hypothesis test.
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Ответ:
D (approximately)
Step-by-step explanation:
In total, Lara walked 6+2=8 miles in 1.5+1=2.5 hours, and thus her average speed was 8/2.5=3.2 miles per hour.
Similarly, Tim walked 2+4+6=12 miles in 0.5+1.5+1.5=3.5 hours, and thus his average speed was 12/3.5=3.42 miles per hour.