A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of $2557$firms$,745$ announced one or more acquisitions during the year $2000.$ Does the sample provide sufficient evidence to indicate that the true percentage of all firms that announced one or more acquisitions during the year $2000$ is less than $31\%?$ Use alphaequals$0\mathrm{.}10$ to make your decision.