The following table shows the data collected from a random sample of 100 middle school students on the number of hours they play outdoor games every week: Weekly Duration of Outdoor Games Time (in hours) 0–2 3–5 6–8 9–11 Number of Students 30 62 8 0 There are 1,200 students in the school. Based on the sample proportion, how many students in the school would be expected to play outdoor games for at least three hours every week? 744 840 960 1,104

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general 11 months ago 2230

Colby and Jaquan are growing bacteria in an experiment in a laboratory. Colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. Jaquan start with 80 of a different type of bacteria that doubles every 3 hours. Let x equal number of days.( * equals x in this case )Colby’s experiment follows the model:Ⓐ y = 50 • 2*Ⓑ y = 50 • 2⁸*Ⓒ y = 50 • 2¹²*Jaquan’s experiment follows the model:Ⓐ y = 80 • 2*Ⓑ y = 80 • 2⁸*Ⓒ y = 80 • 2¹²*

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general 11 months ago 6399