Astudy was completed in california. in northern california the study involved 1,000 patients; 74% of them experienced flulike symptoms during the north december. the study had a margin of error of 3.2%. what does that mean for the study

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.