please help

An office manager has received a report from a consultant that includes a section on equipment replacement. The report indicates that scanners have a service life that is normally distributed with a mean of 41 months and a standard deviation of 4 months. If a new process of manufacturing the scanners is developed and this new process increases the avera result in: Select one: a. Higher warranty replacement rate (i.e. more scanners will fail during the warranty period) b. Lower warranty replacement rate (i.e. less scanners will fail during the warranty period) c. No change Clear my choice An office manafer has recelved a report from a consultant that includes a section on equipment replacement. The report indicates that scanners have a service life that is normally distributed with a mean of 41 months and a standard deviation of 4 months. If a new process of manufacturing the scanners is developed and this new process reduces the standard deviation of the life of the scanner but its average life stays the same (41 months), this will result in: Select one: a. Higher warranty replacement rate (i.e. more scanners will fail during the warranty period) b. Lower warranty replacement rate (i.e. less scanners will fail during the warranty period) c. No change Clear my choice problem was not assigned but is similar to the Lucky Lumen Light assigned problem). Assume the exponential distribution applies. What is the probability that it will fail before its expected life (average useful life)? Select one: a. 0.6321 b. 0.3679 c. 0.5000 d. None of the above Clear my choice