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Nataly_w [17]
3 years ago
7

What is the probability that a randomly selected person surveyed has a job, given that the person is less than 18 years old? Exp

lain your answer and show your work!

Mathematics
2 answers:
ale4655 [162]3 years ago
6 0
The probability is 20/607 or about 3 %
weeeeeb [17]3 years ago
5 0

When the person is less than 18 years old, out of 265 persons, 20 has job and 245 do not have job.

The probability is defined as \frac{no\;of \; favourable \;outcomes}{total\;number\;of\;outcomes}.

Consider the first column only.

The probability that a randomly selected person surveyed has job is

\frac{20}{20+245} =0.0755

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The Venn diagram shows the results of two events resulting from rolling a number cube.
tankabanditka [31]

Answer:

P(A|B)=\frac{2}{3}

P(A)*P(B)=\frac{1}{3}

P(A) =\frac{2}{3}

P(B) =\frac{1}{2}.

Step-by-step explanation:

We use the Venn diagram to calculate the desired probabilities.

Note that there are 6 possible results in the sample space

S = {1, 2, 3, 4, 5, 6}

Then note that in the region representing the intercept of A and B there are two possible values.

So

P (A\ and\ B) = \frac{2}{6} = \frac{1}{3}

In the region that represents event A there are 4 possible outcomes {4, 5, 1, 2}

So

P(A) = \frac{4}{6} = \frac{2}{3}

In the region that represents event B there are 3 possible outcomes {1, 2, 6}

So

P(B) = \frac{3}{6} = \frac{1}{2}.

Now

P(A | B)=\frac{P(A \ and\ B)}{P(B)}\\\\P(A | B)=\frac{\frac{1}{3}}{\frac{1}{2}}\\\\P(A|B)=\frac{2}{3}

P(A)*P(B)=\frac{2}{3}*\frac{1}{2}=\frac{1}{3}

6 0
3 years ago
HELP ASAP
Westkost [7]

Answer:

(5 1/2)(7.25)=

11/2(7.25)

=39.875

=39.875

Step-by-step explanation:

multiply 5 1/2 by 7.25 and u will have yo answer

5 0
3 years ago
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A coach is ordering shirts for a team.
ioda

Answer:

C=8k+24

Step-by-step explanation:

7 0
3 years ago
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A middle school campus is shaped like a rectangle with a width of 1/4 mile and a length of 1/2 mile. A map of the campus has a w
igomit [66]

Answer:

A) 1:4

Step-by-step explanation:

#We first calculate the campus' area:

a=lw\\\\=\frac{1}{4}\times \frac{1}{2}\\=0.125 \ mi^2

#We then calculate the campus' map area in square ft:

A=lw\\\\=0.5 \times 1\\\\=0.5 ft^2

Ratio is a comparison between two dimensions:

Ratio=\frac{0.125}{0.5}\\\\=0.25\\\\=\frac{1}{4}\\\\=1:4

Hence, the ratio of the area in square miles of the campus to the area in square feet of the map is 1:4

3 0
3 years ago
What are some of the reasons for Venus’s high temperatures?
Tems11 [23]

Answer:

As sunlight passes through the atmosphere, it heats up the surface of Venus. Most of this heat cannot escape back into space because it is blocked by the very thick atmosphere of Venus. The heat becomes trapped and builds up to extremely high temperatures

Step-by-step explanation:

im not sure if that is what you are looking for but there

7 0
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