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5 A total of 50 children attended a summer camp and were offered 4 types of sandwiches. The table shows the number of children who chose each type of sandwich. Type of sandwich Number of children Turkey 15 Chicken 23 Ham 3 Vegetarian 9 Total 50 If one of these children is selected at random, what is the probability of selecting a child who chose a vegetarian sandwich? 9
Correct answer: B (parsed from the explanation — this source omits an answer key for this item)
Explanation
Choice B is correct. If one of these children is selected at random, the probability of selecting a child who chose a vegetarian sandwich is equal to the number of children who chose a vegetarian sandwich divided by the total number of children. 50 According to the table, there are a total of children, and 9 of these children chose a vegetarian sandwich. Therefore, the probability of selecting a child who 9 chose a vegetarian sandwich is 50. Choice A is incorrect and may result from conceptual or calculation errors. Choice C is incorrect and may result from conceptual or calculation errors. Choice D is incorrect and may result from conceptual or calculation errors.
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