3. Mike, Mary, and Mimi started a sitting service in their neighborhood and call themselves the "Triple M Sitters." During the first month, Mary worked two hours more than Mimi. Mike
worked twice as long as Mimi. Their fee is $3.00 per hour and they earned $54 together during
the first two weeks. Write and solve an equation that models the situation. How many hours did
Mary babysit?

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.