document.write( "Question 1086254: A random sample of 70 printers discovered that 25 of them were being used in small businesses. Find the 95% limit for the population proportion of printers that are used in small businesses.\r
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document.write( "a. 0.150 < p < 0.564
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document.write( "b. 0.245 < p < 0.469
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document.write( "c. 0.263 < p < 0.452
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document.write( "d. 0.320 < p < 0.395
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Algebra.Com's Answer #700576 by Edwin McCravy(20055)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "On your TI graphing calculator.\r\n" ); document.write( "\r\n" ); document.write( "Press STAT\r\n" ); document.write( "Press the right arrow key twice to HIGHLIGHT TESTS\r\n" ); document.write( "\r\n" ); document.write( "Scroll down to 1-PropZInt...\r\n" ); document.write( "\r\n" ); document.write( "Press ENTER\r\n" ); document.write( "\r\n" ); document.write( "Make the next screen read:\r\n" ); document.write( "\r\n" ); document.write( " 1-PropZInt\r\n" ); document.write( " x:25\r\n" ); document.write( " n:70\r\n" ); document.write( " C-Level:0.95\r\n" ); document.write( " Calculate\r\n" ); document.write( "\r\n" ); document.write( "Then use the down arrow to highlight Calculate\r\n" ); document.write( "and press ENTER.\r\n" ); document.write( "\r\n" ); document.write( "You will see\r\n" ); document.write( "\r\n" ); document.write( " 1-PropZInt\r\n" ); document.write( " (.2449,.46939)\r\n" ); document.write( " p-hat =.3571428571\r\n" ); document.write( " n=70\r\n" ); document.write( "\r\n" ); document.write( "Go by what's on the second line, which is interval notation\r\n" ); document.write( "form for\r\n" ); document.write( "\r\n" ); document.write( " 0.2449 < p < .46939\r\n" ); document.write( "\r\n" ); document.write( "Round those to three decimal places.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |