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Morgarella [4.7K]
3 years ago
8

Need helppppppp please

Mathematics
1 answer:
Drupady [299]3 years ago
8 0

Answer:

What do you need help with

Step-by-step explanation:

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Explain why P(A|D) and P(D|A) from the table below are not equal.
trasher [3.6K]

Answer:

The Probability that Event A and  Event D occur is equal to the probability Event A occurs times the probability that Event D occurs, given that A has occurred.


P(A\cap D)=P(A)\cdot P(D/A)

We can find the values of P(A/D) and P(D/A) using the above form formula.

P(D/A)=\frac{P(A\cap D)}{P(A)} ;

P(A/D)=\frac{P(D\cap A)}{P(D)}

From the given table, we have the values of P(A), P(D), P(D\cap A) and P(A\cap D).

Since, Probability=\frac{The number of wanted outcomes }{the number of possible outcomes}

∴P(A)=\frac{8}{17}, P(D)=\frac{10}{17}, P(A\cap D)=\frac{2}{17} and P(D\cap A)=\frac{2}{17}

Now, putting these values in above formula we get,

P(D/A)=\frac{\frac{2}{17}} {\frac{8}{17}}

P(D/A)=\frac{2} {8}=\frac{1}{4}

P(D/A)= \frac{1}{4}.

P(A/D)=\frac{\frac{2}{17}} {\frac{10}{17}}=\frac{2}{10}

P(A/D)=\frac{1}{5}

As, you can see above that the values of P(A|D) and P(D|A) are not equal.









5 0
3 years ago
Read 2 more answers
The lines s and t intersect at point R.<br><br> What is the value of y?<br><br> y = ____
ozzi
Assuming that the angles are congruent, then y = 29.
4y - 8 = 79 + y
4y = 87 + y             Add 8 to both sides
3y = 87                  Subtract y from both sides
y = 29
7 0
3 years ago
F h(x) = x – 7 and g(x) = x2, which expression is equivalent to (g circle h) (5)?
grandymaker [24]

Answer:

here is your answer

Step-by-step explanation:

here is your answer

4 0
3 years ago
What is the value of the expression 4 × (2a − 1) if a = 3?
dlinn [17]

Answer:

20

Step-by-step explanation:

4 * (2a − 1)

Let a=3

4 * (2*3 − 1)

Simplify inside the parentheses first

4 * (6 − 1)

4 * (5)

20

4 0
3 years ago
Select the correct answer from each drop-down menu.
Readme [11.4K]

Answer:

The best measure for center is median and its value is 60 .

Step-by-step explanation:

MEDIAN MEASURES MIDDLE ; 60 is in the middle .

3 0
3 years ago
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