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# Can someone help me out with this question please by providing step by step solutions leading to the answer?

Can someone help me out with this question please by providing step by step solutions leading to the answer? I don't know if I am having a mental block, but I do not even know where to begin. Thanks!Question:A production process is checked periodically by a quality control inspector. The inspector selects simple random samples of 30 finished products and computes the sample mean product weights x. If test results over a long period of time show that 5% of the x values are over 2.1 pounds and 5% are under 1.9 pounds, what are the mean and standard deviation for the population of products produced with this process?