A random sample of 150 teachers in an inner-city school district found that 72% of them had volunteered time to a local charitable cause within the past 12 months. What is the standard error of
the sample proportion? Round your answer to three decimal places. PLEASE EXPLAIN THE ANSWE :)

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shortiibrownskiin

14.10.2020

Mathematics

X=shorter piece X+10=longer piece X+(x+10)=48 2x+10=48 2x=38 X=19 The shorter piece is 19 centimeters long and the long piece is 29 centimeters.

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A random sample of 150 teachers in an inner-city school district found that 72% of them had volunteered time to a local charitable cause within the past 12 months. What is the standard error of the sample proportion? Round your answer to three decimal places. PLEASE EXPLAIN THE ANSWE :)