Formulate the null hypothesis (Ho) and the alternative hypothesis (Ha) of the following problems. DON'T SOLVE THE PROBLEM.

TEST II: Formulate the null hypothesis (Hol and the alternative hypothesis (Ha) of the following problems. DON'T SOLVE THE PROBLEM. 1. . A drug manufacturing company claimed that the mean time of a certain brand of their anti - hypertensive capsule labeled C - block to take effect is 15 minutes with a standards deviation of 3 minutes. In a random sample of 50 patients the mean time was 18 minutes. Test the hypothesis that the mean time for the capsule to take effect is not 15 minutes using a 001 level of significance. 2. . A random sample of 35 packs of a certain brand of marshmallow have a mean weight of 7.4 grams with a standard deviation 1 25 grams, while a random sample of 40 packs of another brand of marshmallow has a mean weight of 65 grams with a standard deviation of 1.20 grams Is there a significant difference in the mean weight of these brands of marshmallow using a 5% level of significance? 3. . Test the hypothesis that is no significant relationship between the sex of employees and their job satisfaction level. if in a certain company in Makati. the following results were obtained. Use 0.05 level of significance. JOB SATISFACTION LEVEL SEX LOW MEDUIM HIGH TOTAL MALE 45 60 55 160 FEMALE 9 10 10 29 TOTAL 54 70 65 189 4. Three factory workers pack noodles in a plastic cup that must weight 200 grams. A random sample of 6 plastic cup were weighed and the result tabulated below. WORKER S CUP A C 1 198 189 199 2 201 195 200 196 193 198 Is there a significant difference in the average weight of the cup noodles packed by the 3 workers at 0.05 level