K Suppose Charlene Brewster has times (in seconds) of 8.3, 8.7, 8.3, 8.4, 8.6, 8.5 and a performance rating of 120%. a) For a given allowance factor of 12%, the standard time for the operation = seconds (round your response to two decimal places). b) For a given allowance factor of 21%, the standard time for the operation = seconds (round your response to two decimal places).

Suppose Charlene Brewster has times (in seconds) of 8.3,8.7,8.3,8.4,8.6,8.5 and a performance rating of 120% a) For a given allowance factor of 12%, the standard time for the operation = seconds (round your response fo hwo decimal places). b) For a given allowance factor of 21%, the standard time for the operation = seconds (rocund your response fo hwo decirnal places)