Question: Jerry tested 30 laptop computers owned by classmates enrolled in a large computer-science class and discovered that 22 were infected with keystroke-tracking spyware. Is it

Jerry tested 30 laptop computers owned by classmates enrolled in a large computer-science class and discovered that 22 were infected with keystroke-tracking spyware. Is it appropriate for Jerry to use his data to estimate the proportion of all laptops infected with such spyware? Explain.

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