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hjlf
3 years ago
8

A shop repairs both audio and video components. Let A denote the event that the next component brought in for repair is an audio

component. Event B is the event that the next component is a CD player (so event B is contained in A). Suppose that P(A) = 0.6 and P(B) = 0.05. What is P(B|A)?
Mathematics
1 answer:
kow [346]3 years ago
5 0

Answer: 0.6

Step-by-step explanation:

The probability formula to find p(B/A) is :

P(B/A) = p(A n B) / p(B)

Which means that A is contain in B and p(A n B) is p(A)

p(A n B)= p(A)=0.6 × 0.05 = 0.03

p(B)=0.05

Therefore

P(B/A) = p(A n B) / p(B)=p(A) / p(B)

P(B/A)=0.03 / 0.05

P(B/A)=0.6

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In 1819, the United States purchased Florida from Spain for
guapka [62]

Answer:

Option D. 5 EE 6 ÷ 6.6 EE 4

Step-by-step explanation:

Data obtained from the question include the following:

Area of land purchased = 6.6×10^4 square miles

Cost = $ 5×10^6

To determine the key strokes on a calculator which will give the cost the

United States paid for each square mile of Florida, let us calculate cost of 1 square mile.

This can be obtained as follow:

6.6×10^4 sq mile = $ 5×10^6

Therefore,

1 sq mile = $ 5×10^6 ÷ 6.6×10^4

In calculator, the key strokes will be:

5 EE 6 ÷ 6.6 EE 4

6 0
3 years ago
Read 2 more answers
What values of x make this inequality true?
Alborosie

Answer:

A. x > 13

Step-by-step explanation:

x-3>10

x>10+3

x>13

3 0
3 years ago
George had one sheet of paper. He cut it into 6" x 5", and 3" x 6". What were the dimensions and total area of his original shee
Deffense [45]

Answer:l={8}'' ,b={6}'',l={6}'' ,b={8}''

and area is=48 inch square

Step-by-step explanation:

area of sheet=l\times b

area of sheet first={6}''\times {5}''

=30 inch square

area of sheet second={3}''\times {6}''

=18 inch square

total area of both sheet=30+18

=48 inch square

area of sheet=l\times b

=48 inch square

l={6}'' ,b={8}''

or

l={8}'' ,b={6}''

perimeter of sheet

=2\left ( l+b \right )

=2(6+8)

={28}''

3 0
3 years ago
Read 2 more answers
Please help me idk this
KiRa [710]

Answer:

x=128

Step-by-step explanation:

x and 52 are supplementary, so they add up to 180°

x+52=180\\x=128

6 0
3 years ago
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What is the y- intercept of a line that goes through the points (3,-2)& has a slope of -4?
yulyashka [42]

Answer:

I'm pretty sure that this is correct.

Step-by-step explanation:

this is the equation of a straight line that is generally written

y = m × x + q

m is the slope of the line and is the proportionality coefficient between y and x.

The larger m is, the more the line is hanging

q (-3) is the intercept with the Y axis and is the value you find if you put x=0 (this is the axis y equation)

similarly if you put Y=0 (that is the equation of X axis you find the intercept with X axis that is X= 3/2

graph{2x-3 [-10, 10, -5, 5]}

If I am wrong I am SO SO <em>Sorry.</em> But I hope that I <em><u>Helped!</u></em> :D

8 0
3 years ago
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