A track coach made a two way table to show his runners gender and running category. Male: Sprints- 16 Middle distance- 11 Long d
2 answers:
Answer: Our required probability is 0.134.
Step-by-step explanation:
Since we have given that
Sprints Middle distance Long distance Total
Male 16 11 9 36
Female 12 14 5 31
Total 28 25 14 67
So, the probability that a random chosen long distance runner is male is given by
Hence, our required probability is 0.134.
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Let f and s represent the weights of the first and second objects, respectively.
.. f - s = 200 . . . . . . . . the first is 200 lb heavier than the second
.. s = (1/3)f . . . . . . . . . . the second was 1/3 the weight of the first
In augmented matrix form, the equations can be written
.. f - s = 200
.. f - 3s = 0
The solution is
.. f = 300
.. s = 100
Their total weight is 400 lb, not enough to kill Mr. Boddy. The physics-loving professor is apparently innocent.
.. f - s = 200 . . . . . . . . the first is 200 lb heavier than the second
.. s = (1/3)f . . . . . . . . . . the second was 1/3 the weight of the first
In augmented matrix form, the equations can be written
.. f - s = 200
.. f - 3s = 0
The solution is
.. f = 300
.. s = 100
Their total weight is 400 lb, not enough to kill Mr. Boddy. The physics-loving professor is apparently innocent.