Which is NOT correct about this result?

If the budget is about $7,200,$ we are almost $100\%$ certain that this budget will cover the actual project

total cost.

This result can be used to estimate the amount of management reserved needed for this project.

Median of the total project cost is about $6,500.$

If the budget is about $6,890,$ we are $95\%$ certain that this budget will cover the actual project total

cost$.$