The answer is 2 radical 3
Total number of cards = 52
Total number of kings or queens = 8
P(King or Queen) = 8/52 = 2/13
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Answer: The probability is 2/13.
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Answer:
The total change in the altitude is 58.3
Step-by-step explanation:
-42.9 + -15.4 = 58.3
The range of the top plot, hours spent by 13-15 year olds, is found by subtracting the highest value, 34, and the lowest value, 21. 34-21=13.
The mean of the top plot is found by adding together all of the data points and dividing by 10 (the number of data points):

The range of the bottom plot, minutes spent online by 16-18 year olds, is found by subtracting the highest value, 36, and the lowest value, 12. 36-12=24.
The mean of the bottom plot is found by adding together all of the data points and dividing by 11 (the number of data points):