gvltecblackboardcom / View Assessment Questions In the 19805 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? Use a a = 0.01 level of significance. Your solutions will include words, symbols, and numbers. Write the null and alternative hypotheses: - H0: Blank 1 Blank 2 Blank 3 - H1: Blank4 Blanks Blank6 Compute the point estimate, the best estimate of the population parameter you are testing. Round to four decimal places: - Blank 7 Verify that the requirements for the hypothesis test have been met. Do not round: - The children are selected by Blank 8 Blank 9 sampling. - npo(l -po) = Blank 1o 2 Blank 11 - The sampled children are independent of each other; the sample size is no more than Blank 12% of the population size. Use StatCrunch to compute the test statistic and the P-value. Round to four decimal places: - test statistic = Blank 13 - P-value = Blank 14 Blank 1 Add your