Statistics
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A telephone company charges $0.05 per minute for local calls and $0.12 per minute for long distance calls.Which expression gives the total cost in dollars for x minutes of local calls and y minutes of long distance calls?
asked by Tayjah on August 7, 2013 
math
Telephone company A charges $3.00 for the first minute of any long distance call and $0.50 for each additional minute. Telephone company B charges $2.00 for the first minute of any long distance call and $0.70 for each additional
asked by Vicky on May 9, 2014 
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Consider the following: A telephone exchange operator assumes that 8% of the phone calls are wrong numbers. If the operator is accurate, what is the probability that the proportion of wrong numbers in a sample of 726 would be
asked by white on February 26, 2011 
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A set of telephone lines is to be installed so as to connect between town A and town B. The town A has 2000 telephones. If each of the telephone users of A were to be guaranteed instant access to make calls to B, 2000 telephone
asked by Edward on March 1, 2009 
math (unanswered, previously posted)
A set of telephone lines is to be installed so as to connect between town A and town B. The town A has 2000 telephones. If each of the telephone users of A were to be guaranteed instant access to make calls to B, 2000 telephone
asked by Edward on March 1, 2009 
math
the Ace telephone Co. charges a flat monthly frr of $22.00 for a telephone line and $0.20 per minute for long distance calls. a.if you make 25 minutes of long distance calls per month,what will it cost?
asked by pau on September 21, 2015 
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A telephone company's records indicate that private customers pay on average $17.10 per month for longdistance telephone calls. A random sample of 10 customers' bills during a given month produced a sample mean of $22.10 expended
asked by Anonymous on March 5, 2014 
algebra 1
please help. Write a linear equation in slopeintercept from to model the situation. A telephone company charges $28.75 per mont plus .10 cent a minute for long distance calls
asked by kyle on December 20, 2012 
Statistics
A telephone company's records indicate that private customers pay on average $17.10 per month for longdistance telephone calls. A random sample of 10 customers' bills during a given month produced a sample mean of $22.10 expended
asked by John on February 6, 2013 
Statistics
A telephone company's records indicate that private customers pay on average $17.10 per month for longdistance telephone calls. A random sample of 10 customers' bills during a given month produced a sample mean of $22.10 expended
asked by Stanley on February 4, 2013