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Point X is chosen at random on LP. Find the probability of P(X is on LN).* Please note: LP has a line over it. I don't know how to type that in. Sorry.

Point X is chosen at random on LP. Find the probability of P(X is on LN).* Please-example-1
User Aswathi
by
5.3k points

2 Answers

2 votes

The probability is approximately 0.8333 (to 4 decimal places), which is 83.33%.

To find the probability that a point X chosen at random on
\( \overline{LP} \) is on
\( \overline{LN} \), we need to look at the lengths of
\( \overline{LP} \) and \( \overline{LN} \) as provided in the image.

Step 1: Calculate the total length of
\( \overline{LP} \).

This is found by adding the lengths of
\( \overline{LM} \),
\( \overline{MN} \), and
\( \overline{NP} \) together:


\[ \overline{LP} = \overline{LM} + \overline{MN} + \overline{NP} \]


\[ \overline{LP} = 2 + 8 + 10 + 4 \]

Step 2: Calculate the length of
\( \overline{LN} \).

This is found by adding the lengths of
\( \overline{LM} \) and
\( \overline{MN} \) together:


\[ \overline{LN} = \overline{LM} + \overline{MN} \]


\[ \overline{LN} = 2 + 8 \]

Step 3: Calculate the probability.

The probability
\( P \) of point X being on
\( \overline{LN} \) is the ratio of the length of
\( \overline{LN} \) to the length of
\( \overline{LP} \):


\[ P(X \text{ is on } \overline{LN}) = \frac{\overline{LN}}{\overline{LP}} \]

Let's perform these calculations to find the probability.

The total length of
\( \overline{LP} \) is 24 units, and the length of
\( \overline{LN} \) is 20 units.

To find the probability \( P \) of point X being on \( \overline{LN} \):


\[ P(X \text{ is on } \overline{LN}) = \frac{\overline{LN}}{\overline{LP}} = (20)/(24) \]

When simplified, the probability is:


\[ P(X \text{ is on } \overline{LN}) = (5)/(6) \]

Or in decimal form, the probability is approximately 0.8333 (to 4 decimal places), which is 83.33%.

User Shantanu Gupta
by
5.2k points
3 votes

41.6%

Step-by-step explanation

The probability of an event is the number of favorable outcomes divided by the total number of outcomes possible

Step 1

find the total of out comes possible, it is distance from L to P

distance from L to P=


\begin{gathered} LM=2 \\ MN=8 \\ NO=10 \\ OP=4 \\ \text{then} \\ LP=2+8+10+4=24 \\ LP=24 \end{gathered}

Step 2

find the total number of favorable outcomes( X is on LN)


\begin{gathered} LN=LM+MN \\ \text{replace} \\ LN=2+8 \\ LN=10 \end{gathered}

Step 3

finally, find the probability


P=(10)/(24)=0.416

Hence, the probability is 0.416 or 41.6 %

User Allison
by
4.1k points