1. The formula for the end-points of the 99% confidence interval for the probability of success, $p$ is given by:

${p}_{s}\pmz\times\sqrt{\frac{{p}_{s}(1-{p}_{s})}{n}}whereP(-z</p><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">Calculate an approximate 99$.