(Solved): Write the null and alternate hypotheses for the given situation. State the type of test (left-, rig ...

Write the null and alternate hypotheses for the given situation. State the type of test (left-, right-, or two-tailed). Then use the sample information to calculate the test statistic. Do not compute the $p$-value or state a conclusion. process may be working improperly and producing less of the active ingredient than required. A random sample of 64 pills has a sample mean of $240\mathrm{ppm}$ with a sample standard deviation of $12\mathrm{ppm}$. HO: H1: Type: Test Statistic: Show the formula used! b. According to the Kaiser Family Foundation, $84\%$ of U.S. children iages 8 to 18 had Internet access at home as of August 2009. Researchers wonder if this percentage has changed since then. They survey 500 randomly selected children (ages 8 to 18) and find that 430 of them have Internet access at home. $\mathrm{HO}$ : $\mathrm{H}1$ : Type: Test Statistic: Show the formula used!