4. The company MangoFun that produces mango juice claims that the protein content in their juice is more than the juice produced by their competitor company FruitMix. Protein content in 50 boxes of MangoFun juice and 80 boxes of FruitMix juice is collected from a normal population which have an average protein content as 0.4 g and 0.35 g. The two samples have a standard deviation of 0.08 g for MangoFun juice and 0.05 g for FruitMix juice. Test the claim using a critical value method at a 1% level of significance. 1 # type solution here