document.write( "Question 1177033: A restaurant chain regularly surveys its customers. On the basis of these surveys, the management of the chain claims that 75% of its customers rate the food as excellent. A
\n" ); document.write( "consumer testing service wants to examine the claim by asking 460 customers to rate the food.
\n" ); document.write( "Seventy per cent rated the food as excellent. Does this support the management’s claim? \n" ); document.write( "

Algebra.Com's Answer #805249 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi\r\n" );
document.write( "Ho:  p = .75\r\n" );
document.write( "Ha:  p < .75\r\n" );
document.write( "σ = 95%\r\n" );
document.write( "n = 460  ,  x̄ = .70\r\n" );
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document.write( " = -2.4766\r\n" );
document.write( "p(-2.4766) = .0066\r\n" );
document.write( " Since this p-value is less than the level of significance (0.05), \r\n" );
document.write( "the decision is to reject the null hypothesis. \r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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