Please solve the following question with clear steps.

Free Response 3 ( 16 pts , 4 pts each )The amount of hill ( weight of contents ) put into a glass jar of spaghetti sauce is normallydistributed with 1 = 850 grams and standard deviation ` = 8 grams .1. For this sub- question , please use empirical rule ( the 68%0 – 95%0 – 99.7% rule ) toanswer : what is the probability that one jar selected at random contains between 858 to 874gram ?"Now forget about empirical rule , finish the following questions :"2 . Find the probability that one jar selected at random contains more than 860 gram sauce ?!3 . Find the weight for the lowest 15% amount of fill per jar .4 . Find the probability that a random sample of 34 jars has a mean weight between 842 and856 grams .