The makers of a smartphone have received complaints that the facial recognition tool oftendoes not work, or takes multiple attempts to finally unlock the phone. The companyupgraded to a new version and are claiming the tool has improved. To test the claim, a critictakes a random sample of 75 users of the old version and 80 users of the new version. Theyfind that the facial recognition tool works on the first try 56% of the time in the old versionand 70% of the time in the new version. Can it be