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Suppose a manufacturer of copiers has concluded that a $70$ percent learning curve applies to the time a beginning service technician takes to install copy machines. Use the Learning Curve Excel template to answer the following questions:

If the time required to install the first copy machine is estimated to be six hours, what is an estimate of the time required by a new technician to install the second and third copiers? Round your answers to one decimal place.

For x $=2$ it takes

$4\mathrm{.}2$

hours

For x $=3$ it takes

$3\mathrm{.}4$

hours

If the learning rate changes to $65$ or $95$ percent, what is an estimate of the time required by a new technician to install the second and third copiers? Round your answers to one decimal place.

For x $=2$ and a $65\%$ LC$,$ it takes

$4\mathrm{.}6$

hours

For x $=3$ and a $65\%$ LC$,$ it takes

$3\mathrm{.}8$

hours

For x $=2$ and a $95\%$ LC$,$ it takes

$5\mathrm{.}7$

hours

For x $=3$ and a $95\%$ LC$,$ it takes

$5\mathrm{.}5$

hours