Most modern \"smart phones\" have touch screens made of glass or other transparent materials. One popular and pricey fruitbased brand (Brand 1] has a reputation for having screens that break easily. A random sample of 50 Brand 1 phones that have been in use for one year found 15 with damaged screens. A random sample of 60 phones from a competing brand (Brand 2) that have also been in use for year, also found 15 phones with broken screens. we wish to see if Brand 1 phones actually do break more often than the Brand 2 phones. 1. State the null and alternate hypothesis for the required test. (2 points] 2. Calculate the observed value of the test statistic. [2 points) 3. What is the appropriate rejection region for an o = 0105 test? [2 points) 4. Find a 95% condence interval for 101 pg. (2 points) 5. What is your conclusion? (2 points)