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Gala2k [10]
3 years ago
10

a water ballon is to be randomly dropped along a 1 mile long line that stretches across a practice target zone. the target zones

center is the midpoint of the line

Mathematics
1 answer:
Pavel [41]3 years ago
7 0

Answer:

It seems like the question is not complete. So, I will asume that the complete question is: " A bomb is to be dropped along a mile-long line that stretches across a practice target.  The target center is at the midpoint of the line.  The target will be destroyed if the bomb falls within a tenth of a mile on either side of the center.  Find the Probability that the target is destroyed if the bomb falls randomly along the line."

Step-by-step explanation:

The total of possible cases is the length of the line = 1 mi ;

The favourable cases are the two lengths of 0.1 mi = 0.2 mi ;

Assuming the bomb has no bias for any point ,

the probability of favourable cases' occurrence is 0.2/1 = 0.2

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larisa [96]

Answer: a) (0.99)^4

Step-by-step explanation:

Given : For safety reasons, four different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank.

Each of the four systems detects theft with a probability of .99 independently of the others .

Probability for independent events (E_1 , E_2 , E_3 , ....., E_n) occurs together =  P(E_1)\times P(E_2)\times P(E_3)\ .....\times P(E_n).

Then, the probability that when a theft occurs, all four systems will detect it

= (0.99) x (0.99) x (0.99) x (0.99)

= (0.99)^4

Hence, the probability that when a theft occurs, all four systems will detect it is (0.99)^4 .

Hence, the correct answer is a) (0.99)^4 .

5 0
3 years ago
Daniela is a stain glass artist; she created the window below for her living room. What is
OLga [1]
The window has a shape of a semi-circle (half of a circle).

We know the diameter d = 12 ft.

The area of a (complete) circle is given by the formula:
A = π × r²

The radius can be found by halving the diameter:
r = d ÷ 2
  = 12 ÷ 2
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Therefore the area of the circle will be:
<span>A = π × r²
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And the area of the semi-circle:
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3 0
3 years ago
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Romashka-Z-Leto [24]
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3 years ago
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Montano1993 [528]

Answer:

10

Step-by-step explanation:

3 x 3 + 5 - 6 + 2=

PEMDAS states we do multiplication first.

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3 years ago
in the diagram, the length of S is 2/3 the length of T. If S has an area of 368 cm squared, find the perimeter of the figure.
vivado [14]
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