gvltecblackboardcom F0 C; / View Assessment Question 6 In the i980s it was generally believed that congenital abnormalities affected about 5% ofthe nation's children. It is hoped that improved prenatal care has caused a decrease in the incidence of abnormalities. A recent study examined 3840 randomly selected children and found that 152 of them showed signs of an abnormality. Is this strong evidence that the risk has decreased? Using the P-value you found in the Question 5 and a a = 0.01 level of significance, select the correct conclusion about the alternative hypothesis. Reject the null hypothesis. There is not sufficient evidence to conclude that the risk of congenital abnormalities has decreased. Reject the null hypothesis. There is sufficient evidence to conclude that the percentage of congenital abnormalities is still 5%. O Reject the null hypothesis. There is sufficient evidence to conclude that that the risk of congenital abnormalities has decreased. Do not reject the null hypothesis. There is sufcient evidence to conclude that the risk of congenital abnormalities has decreased. Accept the null hypothesis. There is sufficient evidence to conclude that the risk of congenital abnormalities is 5%. @@@ Question 7 During an angiogram, heart problems can be examined via a small tube (a catheter) threaded into the heart from a vein in the patient's leg. It is important that the company that manufacturers the catheter maintain a diameter of 2.00 mm. Each day