Daniel walks at a speed 4 miles per hour. His mother walks at a speed 6 miles for per hour. Daniel left the house at 1pm. He wants to go to a playground which is exactly 2 miles away from his house. When will Daniel reach the playground?
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What can you determine about the solutions of this system

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0