What is the probability that a person chosen at random from this group has brown or green eyes? startfraction 3 over 25 endfract
1 answer:
Using it's concept, it is found that the probability that a person chosen at random from this group has brown or green eyes is of .
A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
Researching the problem on the internet, it is found that the group has 20 + 6 + 17 + 7 = 50 people, of which 20 + 6 = 26 have brown or green eyes, hence the probability is given by:
p = 26/50 = 13/25.
More can be learned about probabilities at brainly.com/question/14398287
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You want to find the time <em>t</em> such that
Divide both sides by $200 :
Take the logarithm of both sides:
Divide both sides by 0.04 and solve for <em>t</em> :
The four points questions are 5.
Step-by-step explanation:
Total points = 50
Total questions = 15
There are 4 points questions and 3 points questions.
Let,
x be the number of 4 points questions
y be the number of 3 points questions
According to given statement;
x+y=15 Eqn 1
4x+3y=50 Eqn 2
Multiplying Eqn 1 by 3
Subtracting Eqn 3 from Eqn 2
As x variable was used for 4 points questions, therefore,
The four points questions are 5.
Keywords: linear equation, subtraction
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