Since the cost of the spray paint is approx $1.50,
The range for the cost of the spray paint is'
[tex]\pm0.05\text{ dollars}[/tex]Therefore, the coach budget should be between,
[tex]\begin{gathered} \text{for }+0.05\text{ dollars,} \\ =1.5+0.05=1.55\text{ dollars and,} \\ \text{for -0.05 dollars,} \\ =1.5-0.05=1.45\text{ dollars} \end{gathered}[/tex]Hence, the budget of the coach should be between $1.45 and $1.55.