You have graduated and joined a major national home builder. Homes are built mainly in Texas, Florida and California. You have a purchasing job that requires your analytical skills. One bag of grout supposedly comes in 100 pound bags. Although there is variation in the weights, the supplier guarantees that the bags have an average of 100 pounds of material.You have reason to believe that the bags have less grout. You pull a random sample and find the following. 69 79 89 99 109 Using a simple hypothesis t-test, you are to statistically prove that the population's bags weigh on average less than 100 pounds. Use 90% confidence. Can you state with 90% confidence that bags will weigh less than 100 pounds