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Romashka-Z-Leto [24]
3 years ago
7

there are five boys and seven girls in a swimming class. a team of four will be selected at random from this class. what is the

probability that the team will consist of two boys and two girls?
Mathematics
1 answer:
umka2103 [35]3 years ago
3 0

Answer:0of

Step-by-step explanation:

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Answer:

First arrange the data in an order

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a.) Q1 = (N + 1)/4th item = (15 + 1)/4 = 4th item = 7

Q2 = 2(16)/4 = 16/2 = 8th item = 12

Q3 = 3(16)/4 = 3(4) = 12th item = 17

IQR = (Q3 - Q1)/2 = (17 - 7)/2 = 10/2 = 5

b.) 82nd percentile = 82(16)/100 = 13th item = 17

c.) 12 is the 8th item which is in the middle of the data set, so the percentile rank is 50%

Step-by-step explanation:

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The absolute value of an integer is the distance from zero. So, another way of thinking of is to ignore positive or negative. for example the absolute value of -126 is 126, same would go for positive 126.
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