8. A manufacturer of submersible pumps claims that at most 30% of the pumps require repairs within the first 5 years of operation. If a random sample of 120 of these pumps includes 47 which require repairs within 5 years, test at 6.5% signicance level whether or not the claim is true. Repeat the test by using pvalue approach. the goal lot this question is to contactttt because we are groups of studentss needd tuiorr expertt in statistic and will be paidd for that so contacn via whatapppp +601139390617 9. In a weekly meeting at AHT company, a quality control engineer mentioned that the average number of acceptable pieces produced by an automatic stamping machine is 1000 pieces per hour. In 64 randomly selected hours of production, they found that the mean and the standard deviation of the number of acceptable pieces are 1038 pieces and 146 pieces. Based on the sample taken, can you verify whether the quality control engineer is true or not in mentioning the average number of 1000 pieces? (Test at 0.057 level of significance). Repeat the test by using p-value approach