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spayn [35]
3 years ago
10

A number line contains points Q, R, S, and T. Point Q is on the coordinate 24, R is on the coordinate 28, S is on the coordinate

29, T is on the coordinate 42. Find the probability that a point chosen at random on QT is on ST. Express your answer as a percent.
A. 25%
B. 42.2%
C. 50%
D. 72.2%
Mathematics
2 answers:
const2013 [10]3 years ago
7 0

|\Omega|=QT=42-24=18\\ |A|=ST=42-29=13\\\\ P(A)=\dfrac{13}{18}\approx72.2\%\Rightarrow \text{D}

Sauron [17]3 years ago
6 0

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

A number line contains points Q, R, S, and T

Point Q is on the coordinate 24

Point R is on the coordinate 28

Point S is on the coordinate 29

Point T is on the coordinate 42

So, According to given condition,

QT is on the coordinate is given by

42-24=18

ST is on the coordinate is given by

42-29=13

So, probability that a point chosen at random on QT is on ST is given by

\frac{13}{18}\times 100\\\\=72.22\%

Hence, option 'D' is correct.

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(The upcoming and this sentence is pre-written and copy and pasted in every brainly question or comment I write or answer.) If this answer helped you please consider giving it brainliest. If my answer was wrong and you got marked wrong for it, I deeply apologize and hope you will forgive me, since everyone makes mistakes sometimes. If you need me to elaborate on my answer or give further explanation on it, please ask and I will do so. If you need to explain your reasoning on your work feel free to use my words- word for word- without crediting me, the answer was made for you anyways! Hope yall learn from my answer and it helps you in the future with assignments, quizzes, test’s, and more!

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