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(Solved): According to a recent publication, a 2010 study found that \( 9 \% \) of children younger than 18 i ...




According to a recent publication, a 2010 study found that \( 9 \% \) of children younger than 18 in the United States have a
According to a recent publication, a 2010 study found that \( 9 \% \) of children younger than 18 in the United States have at least one food allergy. Among those with food allergies, about \( 37 \% \) had a history of severe reaction. a. If a child younger than than 18 is randomly selected, what is the probability that they have at least one food allergy and a history of severe reaction? b. It was also reported that \( 26 \% \) of those with an allergy in fact are allergic to multiple foods. If a child younger than 18 is randomly selected, what is the probability that they are allergic to multiple foods?


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Answer: Step 1) The percentage of children (under age 18) who have at least one food allergy is 9%. That is, P (having at least one food allergy), P(FA) = 0.09 Also, among those food allergies, 37% had a severe reaction history. That is, P (Severe r
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