Amagazine claims that 75% of all teenage boys have their own cellphones. a researcher wished to test the claim and selected a random sample of 60 teenage boys. she found that 54 had their own cell phones. at α = 0.01, should the claim be rejected?

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!