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andreev551 [17]
3 years ago
9

Someone please help me will give BRAILIEST!!!!!

Mathematics
2 answers:
Ket [755]3 years ago
8 0
B) The number of earthquakes decreased

Kaylis [27]3 years ago
3 0
Number of earthquakes decreased
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Find the missing probability. P(B)=720,P(A|B)=14 ,P(A∩B)=?
Ivan

Answer:

7/80

Step-by-step explanation:

Given that: P(B) = 7 / 20, P(A|B)= 1 / 4

Bayes theorem is used to mathematically represent the conditional probability of an event A given B. According to Bayes theorem:

P(A|B)=\frac{P(A \cap B)}{P(B)}

Where P(B) is the probability of event B occurring, P(A ∩ B) is the probability of event A and event B occurring and P(A|B) is the probability of event A occurring given event B.

P(A|B)=\frac{P(A \cap B)}{P(B)}\\\\P(A \cap B)=P(A|B)*P(B)\\\\Substituting:\\\\P(A \cap B)=1/4*7/20=7/80\\\\P(A \cap B)=7/80

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3 years ago
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aivan3 [116]

Answer:the second one is the answer

Step-by-step explanation:trust me

6 0
3 years ago
The midpoint between x and 27 is -3. What is x?
Alex_Xolod [135]

Answer:

-33

Step-by-step explanation:

well you can use mid point formula and solve for x

or count how many it takes to get from -3 to 27 and add that to -3 the other direction

6 0
3 years ago
2/5 x 10/22 in simplest form
nadezda [96]

Answer:

2/11

Step-by-step explanation:

You would have to do 2 times 10 which equals 20. Than 5 times 22 which is  110. No to reduce you have to find the Greatest Common faction which is 10. So 20 divided by 10 equals 2 and 110 divided by 10 is 11.

3 0
3 years ago
What is 12 decreased by 12%
crimeas [40]
10.56.. hope this helps
5 0
3 years ago
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