For each of the given situations, write out the alternative hypothesis, being sure to state whether it is one-sided or two-sided. a) A consumer magazine discovered that 32% of a certain computer model had warranty problems over the rst three months. From a random sample, the manufacturer wants to know if a new model has improved that rate. Complete the alternative hypothesis and determine whether the alternative hypothesis is one-sided or two-sided. @ Em The alternative hypothesis is l: b) A student wants to know if other students on her campus prefer soft drink brand A or soft drink brand B. Complete the alternative hypothesis and determine whether the alternative hypothesis is one-sided or two-sided. HA: v v0.50 The alternative hypothesis is