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valentina_108 [34]
3 years ago
11

Question 8 - Find the mean

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

Answer:

You can hack it double click and press inspect for answers

Step-by-step explanation:

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One more then im done, ty ^^
OleMash [197]

Answer:

5

Step-by-step explanation:

5 0
2 years ago
What is the area of a circle when its circumference is 176
nexus9112 [7]

Answer:

Open this picture I send you

I hope I helped you :3

I hope you are having a great day ❤️❤️❤️❤️

4 0
2 years ago
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PLS HELP! Whoever gets it right will get brainliest!!
melomori [17]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
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For safety reasons, 4 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills
Evgen [1.6K]

Answer:

<em>99.93%</em>

Step-by-step explanation:

<u>Probability of Independent Events</u>

Given the probability of success of each detector is 0.84 independently of the others, their combined success/failure probability can be computed with the product rule.

We can calculate the required probability by using the binomial distribution, but it's easier to calculate the probability of the negated event an subtract from 1.

We want to know the probability that a least one of the 4 systems detects the occurrence of theft. That probability is the sum of the probabilities that one of them, two of them, three of them or all of them succeed. The negated event is that NONE of them actually detects the theft. Being p the individual probability of success, p=0.84. Being q the probability of failure, q=0.16.

The probability that none of the systems detect the theft is

P(0)=q^4=0.16^4=0.00065536

Thus, the probability that at least one of the systems detect the theft is

P(x\geq1)=1-P(0)=1-0.00065536=0.9993

That means a 99.93%

3 0
3 years ago
-8 3/8+6 1/4 written in simplest form
natka813 [3]

Step-by-step explanation:

-8 3/8 + 6 1/4 = -2 1/8 or you can also write -17/8

<h2>hope this help you!! ;))</h2>
3 0
3 years ago
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