Pascal's triangle up to the 5th iteration is
This tells us
so the second term in the expansion is
In a survey of 400 randomly selected people, it was determined that 22 play soccer. What is the probability that a randomly sel
1 answer:
Answer:
5.5% probability that a randomly selected person plays soccer
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
Desired outcomes:
People surveyed who play soccer, so
Total outcomes:
Total people surveyed, so
What is the probability that a randomly selected person plays soccer?
5.5% probability that a randomly selected person plays soccer
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Answer:
C
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
The square on the hypotenuse is equal to the sum of the squares on the 2 other sides, that is
x² + 6² = 17²
x² + 36 = 289 ( subtract 36 from both sides )
x² = 253 ( take the square root of both sides )
x = → C