A) State the null and alternative hypothesis for this testB) determine if this test is left tailed right tailed or two tailedC) should the standard normal Z distribution or students t-distribution be used for this test ? D) determine the critical values for this hypothesis test around the solutions to two decimal places if more than one critical value exist answer the solutions using a comma separated listE) determine the Test statistic round the solution to two decimal placesF) Determine the appropriate decision for this hypothesis test

Question 32 0 Nine out of ten dentists recommend this toothpaste! You have certainly heard the above claim before. Advertisers frequently claim that some percentage of doctors or dentists recommend a given health product. It's best to take such claims with a large grain of salt. Suppose a recent advertisement claims that 9 out of 10 dentists (90%) recommend a certain brand of toothpaste. A consumer advocacy group is highly suspicious of this claim and randomly surveys 178 dentists. They find that 85.4% of the sample recommends the given brand of toothpaste. Using a significance level of 0.5%, test the hypothesis that the proportion of all dentists who recommend this brand of toothpaste is different than 90%. State the null and alternative hypothesis for this test. Ho: v