1.A survey of workers at a local business indicates that 44% of a sample of 300 employees have received this year's flu vaccine. An approximate 95% confidence interval for the proportion of all employees at the business that have received this year's flu vaccine is 0.384 < p < 0.496.

(a)(1 point) What is the value of the point estimate for this confidence interval?

(b)(2 points) What is the value of the margin of error for this confidence interval?