need help thanks

For lire given condence level and values of I and u, nd re following. I = 45, n = 9'9, condence level 95% (a) Find the point esljmate. Round the answers to at least four decimal places, if necessary. 'Ihe point estimate for the given data is E] . (ti) Find the slandard error. Round the answers to at least four decimal places, if necessary. The standard en'or for the given data is [:1 . (c) Find the margin of em: Round the answers to at least four decimal places, if necessary. 'Ihe margin of error for the given data is [j