Obesity is a growing public health concern worldwide. Adults with a high body mass index (BMI) of 25 or greater are considered overweight or obese. The table shows the number of adults (in millions) who are overweight or obese in countries with different income levels, based on data from the World Health Organization and the United Nations. Country Millions with Millions with Total income level high BMI low BMI High 549 414 963 Upper middle 612 1042 1654 Lower middle 288 | 1083 1371 Low 63 357 420 All 1512 2896 4408
(a) What is the probability that a randomly selected adult has a high BMI? (Enter your answer rounded to four decimal places.)
(b) What are the conditional probabilities that a randomly selected adult has a high BMI, given cach country income level? (Enter your answers rounded to four decimal places.)
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