Just finished it, could you check it for correctness?

A police ofcer we like to estimate the proportion of petty theft cases that have gone unsolved in a large city. He takes a random sample of 83 petty theft cases and nds 44 of these have gone unsolved. Set up the equation for the 95% confidence interval for p. Format: Estimate :l: Grit. Value x Standard Error 0.53 v :I: 1.96 v x 0.0548 V