Determine the best survey question for a population of all cell phones produced by a company.

what is the average number of cell phones owned by a family of four?

what percentage of cell phones made by the company are defective?

who is the typical user of cell phones produced by the company?

how many minutes does a teen usually spend on a cell phone?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

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Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.