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Zolol [24]
3 years ago
12

Pleaseeee help me with 1-13 IM DESPERATE

Mathematics
1 answer:
Andrews [41]3 years ago
8 0

Step-by-step explanation:

<h2>This is a monster question I don't think anyone solve it for only 5 points</h2>
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Military radar and missile detection systems are designed to warn a country of enemy attacks. A reliability question deals with
Nadusha1986 [10]

Answer:

Step-by-step explanation:

Given that a particular detection system has a 0.83 probability of detecting a missile attack.

Also each system is independent of the other to detect missile attack.

a)  the probability that a single detection system will detect an attack=0.83

b) the probability that at least one of the systems will detect the attack given two systems= 1-Prob no system detects

=1-(1-0.83)(1-0.83)\\\\=1-0.0289\\=0.9711

c)  If three systems are installed,  the probability that at least one of the systems  will detect the attack

= 1- none of the three systems detect attack

= (1-0.17^3)\\=1-0.004913\\=0.995087

d) We find that probability of detecting is more if we increase the system form 1 to 2 and 2 to 3.

Hence for safety and defence purpose multiple detection system is recommended.

7 0
3 years ago
What is 6,000 people voted in the election how many were from 18 to 29 years old?
Ilia_Sergeevich [38]
6000*10%=600
600 people voted at at aged 18 to 29 years old.
4 0
3 years ago
1.2983 rounded to nearest hundredth
exis [7]

Answer:

1.3000

Step-by-step explanation:

The 9 makes the 2 move to 3. Hope this helps.

3 0
3 years ago
Pedro has 3 boxes of 6 markers. Rafael has 5 boxes of 5 markers. One of the friends arranges all his markers into 2 equal groups
Komok [63]

Answer:

see below

Step-by-step explanation:

Pedro has 3 boxes of 6 markers.

3*6 = 18 markers

We can divide this by 2 because this is even

18/2 = 9

There are 9 in each group

Rafael has 5 boxes of 5 markers

5*5 = 25

We cannot divide this by 2 because this is odd

3 0
3 years ago
CAN SOMEONE HELP ME!!!!! WHAT IS 4+4
Volgvan
The answer is eight
8 0
3 years ago
Read 2 more answers
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