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It the 1980s it was generally believed that congenital abnormalities affected about 8 of a large nation s children Some people believe that the increase in the number of chemicals in the environment has led to an increase in the incidence of abnormalities A recent study examined 351 randomly selected children and found that 37 of them showed signs of an abnormality Is this strong evidence that the risk has increased We consider a P value of around 5 to represent reasonable evidence Complete parts a through f Assume the independence assumption is met a Write appropriate hypotheses Let p be the proportion of children with genetic abnormalities Choose the correct answer below OA Ho p 0 08 vs HA p 0 08 O C Ho p 0 08 vs HA p 0 08 OB Ho p 0 1054 vs HA p 0 1054 O D Ho p 0 1054 vs HA p 0 1054 OF Ho p 0 1054 vs HA p 0 1054 O E Ho p 0 08 vs HA P 0 08 b Check the necessary assumptions Which of the following are satisfied Select all that apply A There are more than 10 successes and 10 failures B Less than 10 of the population was sampled C The sample is random D The independence assumption is satisfied c Perform the mechanics of the test What is the P value Round to three decimal places as needed d Explain carefully what the P value means in this context Choose the correct answer below P value O A The P value is the chance of observing 37 or more children with genetic abnormalities in a random sample of 351 children OB The P value is the chance of observing 37 or more children with genetic abnormalities in a random sample of 351 children if 8 of children actually have genetic abnormalities The P value is the actual percentage of children who have genetic abnormalities OS

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