In the stands at a basketball game you counted 96 people wearing orange shirts and 36 people wearing purple shirts what was the
1 answer:
Answer:
16:6
Step-by-step explanation:
I would first see if there are any common factors.
Common factors for both 96 and 36 are 12, 6, 4, 3, and 2.
96 orange shirts : 36 purple shirts
48 orange shirts : 18 purple shirts
24 orange shirts : 9 purple shirts
Get to the lowest numbers which would be...
16 orange shirts to 6 purple shirts.
Factors are whole numbers that are multiplied together to produce another number. The original numbers are factors of the product number.
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Answer:
a) P(X∩Y) = 0.2
b) = 0.16
c) P = 0.47
Step-by-step explanation:
Let's call X the event that the motorist must stop at the first signal and Y the event that the motorist must stop at the second signal.
So, P(X) = 0.36, P(Y) = 0.51 and P(X∪Y) = 0.67
Then, the probability P(X∩Y) that the motorist must stop at both signal can be calculated as:
P(X∩Y) = P(X) + P(Y) - P(X∪Y)
P(X∩Y) = 0.36 + 0.51 - 0.67
P(X∩Y) = 0.2
On the other hand, the probability that he must stop at the first signal but not at the second one can be calculated as:
= P(X) - P(X∩Y)
= 0.36 - 0.2 = 0.16
At the same way, the probability that he must stop at the second signal but not at the first one can be calculated as:
= P(Y) - P(X∩Y)
= 0.51 - 0.2 = 0.31
So, the probability that he must stop at exactly one signal is: