document.write( "Question 1208020: The average life of a certain battery is 5 years, with a standard deviation off year. Assume that the life of the battery approximately follows a normal distribution. Find the probability that the average life of a random sample of size 16 of such batteries will be w
\n" ); document.write( "a. between 4.5 and 5.4 years
\n" ); document.write( "b. less than 5.5 years
\n" ); document.write( "c. more than 4.75 years
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Algebra.Com's Answer #846154 by math_tutor2020(3816)\"\" \"About 
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\n" ); document.write( "The portion that says \"with a standard deviation off year\" appears to have a typo.
\n" ); document.write( "I have a feeling the \"off\" should be \"of\" and it should instead say something like \"standard deviation of ____ year(s)\" where a number will go in the blank. \r
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\n" ); document.write( "\n" ); document.write( "Please revise and repost the question. Thank you.
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