The meantime it takes a technician to resolve this software issue is 18 minutes with a standard deviation of 4.2 minutes. This information was obtained from a random sample of 10 monitored calls. A sample of 15 monitored calls revealed a mean time for technician to resolve hardware problem is 15.5 minutes with the standard deviation of 3.9 minutes. Assume the populations are normally distributed with equal varíences. At the 0.05 significance level, does it take longer to resolve software issues? Select appropriate alternative hypothesis.
Note: Do not round intermediate calculations. Round your final answer to four decimals and include the leading zero.