Russell surveyed 16 students at his school and found that 4 of them planned to take orchestra as their next elective. If Russell surveys 12 more students, how many of them are probably planning on taking orchestra as an elective, based on past data?____ students
Q. Russell surveyed 16 students at his school and found that 4 of them planned to take orchestra as their next elective. If Russell surveys 12 more students, how many of them are probably planning on taking orchestra as an elective, based on past data?____ students
Calculate Proportion: Calculate the proportion of students who chose orchestra in the initial survey. 4 students out of 16 chose orchestra.Proportion = 164=0.25
Apply Proportion: Apply the proportion to the additional 12 students Russell plans to survey.Expected number of students choosing orchestra = 0.25×12=3
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