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Step2247 [10]
2 years ago
9

What is the value of x? Enter your answer in the box. x =

Mathematics
1 answer:
Mazyrski [523]2 years ago
6 0
Answer is 26


Hope it help you !!
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Assume that we have two events, A and B, that are mutually exclusive. Assume further that we know P(A) = 0.3 and P(B) = 0.7. If
Thepotemich [5.8K]

Answer:

See below

Step-by-step explanation:

What is P(A B)?

If A and B are mutually exclusive, then  

P(AB) = P(A∩B) = P(∅) = 0

What is P(A | B)?

By definition  

<em>P(A | B) =  P(A∩B)/P(B). </em>

Since  

P(A∩B) = 0, then P(A | B) = 0

Is P(A | B) equal to P(A)?

No, because P(A | B) = 0 and P(A) = 0.3

Are events A and B dependent or independent?

A and B would be independent if

P(A | B) = P(A) and P(B | A) = P(B)

But both P(A |B) and P(B | A) equals 0 and P(A) = 0.3, P(B) = 0.7

Hence, <em>A and B are dependent. </em>

A student in statistics argues that the concepts of mutually exclusive events and independent events are really the same, and that if events are mutually exclusive they must be independent. Is this statement accurate?

No, it is not.

As we already saw, A and B are mutually exclusive but they are not independent.

What general conclusion would you make about mutually exclusive and independent events given the results of this problem?

If A and B are not empty events which are mutually exclusive, they can never be independent.

6 0
3 years ago
PLS HELP
DochEvi [55]

Answer:

10.5

Step-by-step explanation:

v=158

l×w×h =158

l×5×3=158

l×15=158

L =158÷15=10.5

8 0
2 years ago
If the cross-section shown has an approximate area of 78.54 cm2, what is the approximate volume of the cylinder if its height is
Elena-2011 [213]

Answer: C) 785.4

Step-by-step explanation:

7 0
3 years ago
- 16 + ( - 12 ) - ( - 40 )<br>​
Alex_Xolod [135]

Answer:

12

Step-by-step explanation:

Its 12 because when you do -16 + - 40.... then -12 you get =12 There you go

6 0
2 years ago
Read 2 more answers
Help me please I need it
crimeas [40]

Answer:

D. 11

Step-by-step explanation:

Add all the numbers and divide by 4

3 0
2 years ago
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