brenton14

11.12.2020 • 

Mathematics

Fran is training for a marathon and she wonders if she will receive better training is she runs with a group rather than on her own . She wants to know if there is a significant difference in the number of miles run each week between group runners and individual runners . The interviews 32 people that she knows train in groups , and finds that they average 49 miles per week with a standard deviation of 4.2 miles . The also interviews 30 people who she knows that train on their own and finds that they runon average 47.2 miles per week with a standard deviation of 4.8 miles . Test Fran's claim at .05

Ответ:

justyne2004

26.11.2021

Mathematics

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a) 52 ounces

b) 24 pints

Step-by-step explanation:

A:There are 16 ounces in a pound. Thus, you can simply multiply 3.25 by 16 to get 52.

B: Simply multiply 0.15 * 20 to get 3.  Then multiply 3 by 8 to get 24.(8 pints per gallon)

Hope it helps <3

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