document.write( "Question 1186554: Andy is a restaurant owner. He believes 80% of his customers are satisfied with the food quality of his restaurant. From a random sample of 81 customers, what are the following probabilities? (Round your answers to four decimal places, if needed.)
\n" ); document.write( "(c) What is the probability that the sample proportion of customers who are satisfied with the food quality is between 78% and 85%? \n" ); document.write( "

Algebra.Com's Answer #817504 by robertb(5830) $\"\"$ $\"About$

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The lower z-value is computed as follows:

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\n" ); document.write( "\n" ); document.write( "Thus,

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