Question 3 Almost all employees working for financial companies in New York City receive large bonuses at the end of the year. A random sample of 64 employees selected from financial companies in New York City showed that they received an average bonus of $55,000 last year with a standard deviation of $15,000. Construct a 95% confidence interval for the average bonus that all employees working for financial companies in New York City received last year. a) Give a point estimate for the mean bonus that all employees working for financial companies in New York City received last year. b) Construct a 95 % confidence interval for the mean bonus that all employees working for financial companies in New York City received last year.c) Suppose you are asked to conduct a new study. What sample size is required if you want to be 95 % sure that the true mean is estimated within 15 5,000