I need help with this question please. please show workings per question. thank you

The results of sampling independent populations: sample 1 from @pulation 1 u mean 1000 a sample standard deviation 400 a sample size 50 sample 2 from pulation 2 a mean 1250 a sample standard deviation 500 a sample size F5 Test the H0: populationl mean = population2 mean at u = 0.01. HA: populationl mean a! populationZ mean. This is a two-tailed test with both a negative lower critical value and a positive upper critical value. Separate variances is assumed