document.write( "Question 1178602: An educator estimates that the dropout rate for seniors at high schools in Colorado is 12%. Last year in a random sample of 300 Colorado seniors, 27 withdrew from school. At α = 0.05, is there enough evidence to reject the educator’s claim? \n" ); document.write( "
Algebra.Com's Answer #807948 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi\r\n" );
document.write( "population:  p = .12 \r\n" );
document.write( "sample:  n = 300   x̄ = 27/300 = .09\r\n" );
document.write( "Ho:  p = .12\r\n" );
document.write( "Ha:  p < .12\r\n" );
document.write( "a=0.05, one-tailed: z(.95) = 1.645 critical value\r\n" );
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document.write( " z = -1.6\r\n" );
document.write( "|-1.6| < 1.645\r\n" );
document.write( "Fail to Reject Ho, Insufficient evidence\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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