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Aliun [14]
3 years ago
6

A teacher surveyed his class about how many wore watches and how many wore rings. The Venn diagram shows her results. If a perso

n from the class is randomly selected, what is the probability that person wears a watch given that they wear a ring?
P( watch | ring )

A. 7/12
B. 1/6
C. 1/12
D. 2/7
URGENT PLEASE HELP
Mathematics
2 answers:
hichkok12 [17]3 years ago
7 0
I think it’s C I hope that helps
Savatey [412]3 years ago
4 0

Answer:

Step-by-step explanation:

Person who wears a watch + ring

Lets say the fraction of people wearing the rings is 1/X

Lets say the fraction of people wearing a watch is 2/y

The formula is multiplication for both (Key words: and)

The formula is add for one or the either (key words: or)

The question says that person wears a watch given that they wear a ring

It mean that they wear a watch + a ring.

THat mean multiplication!

Lets use the example: 1/x · 2/y = 2/xy

This makes 2/xy your answer for the example.

Now lets do another example:

Lets say the fraction of people wearing the rings is 1/3

Lets say the fraction of people wearing a watch is 2/3

Multiplication!!!!

1/3 x 2/3 = 2/9

This makes 2/9 your answer to this example!!!!

<h2><u><em>Hope I helped a lot!!!!!!!!!!!!!!!!!!</em></u></h2>
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What is the rule for reflecting over y=x+c
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Step-by-step explanation:

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On a coordinate plane, triangle R S T has points (negative 5, 6), (3, 4), and (negative 2, 2). Which expression can be used to f
pav-90 [236]

The area of a triangle is the amount of space on the triangle

The expression that represents the area of the triangle is A = \frac 12|-5(2 -4) +3(2 -6) -2(4 -6)|

The coordinates of the triangle are given as:

R = (-5,6)

S = (3,4)

T = (-2,2)

The area (A) of a triangle from its coordinates or vertices are:

A = \frac 12|x_1(y_3 -y_2) +x_2(y_3 -y_1) + x_3(y_2 -y_1)|

Substitute values for x's and y's

A = \frac 12|-5(2 -4) +3(2 -6) -2(4 -6)|

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brainly.com/question/9664477

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Answer:

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Contributing Factors                                                 Population Trends

government-sponsored family control programs    Low birth rate

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Step-by-step explanation:

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b) Defining population trends:

1) High birth rate: the industrial revolution triggered high birth rate, following increased food supply and medical advancements.

2) Low death rate: medical advancements brought about low death rate as better healthcare is provided to the sick.

3) Increase in food supply: large-scale agricultural economies ensured increasing food production and supply.

4) Low birth rate: when governments started sponsoring family control programs, the resulting effect was low birth rate.

3 0
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