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jasenka [17]
3 years ago
12

HELP ME PLEASEEEEE!!!!

Mathematics
1 answer:
lesantik [10]3 years ago
7 0
A bit messy.Pls don't mind it

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Suppose two events A and B are mutually exclusive, with P(A) ≠ 0 and P(B) ≠ 0. By working through the following steps, you'll se
DanielleElmas [232]

Answer with Step-by-step explanation:

We are given that two events A and B are mutually exclusive.

A\cap B=\phi

P(A\cap B)=0

P(A)\neq 0

P(B)\neq 0

a.For mutually exclusive events,

P(A/B)=\frac{P(A\cap B)}{P(B)}=\frac{0}{P(A)}=0

Therefore, event A can not occurred if event B has occurred because two events can not occur together.

Answer:No, by definition mutually exclusive events cannot occur together.

b.When two events are independent

Then , P(A\cap B)=P(A)\cdot P(B)

P(A/B)=\frac{P(A)\cdot P(B)}{P(B)}=P(A)

If two events are mutually exclusive then

P(A\cap B)=0

Then , P(A/B)=0

Therefore, P(A/B)\neq P(A)

Hence, we can concluded that events A and B are not independent if they are mutually exclusive.

Answer:Yes, P(A/B)\neq P(A)

7 0
3 years ago
I need to know what 9+10 is
Dvinal [7]

Answer:

There is a few ways to answer this:

The actual and simple way: 19

The way we use for fun, (meme way): 910

7 0
2 years ago
Read 2 more answers
At the beginning of the day the stock market goes down 4014 40 1 4 points and stays at this level for most of the day. At the en
Stels [109]

Answer:

<h2>124.51%</h2>

Step-by-step explanation:  

In this problem, we are expected to solve for the percentage change, given the opening  point and the closing point

given that the low is 4014

and the high is  9012

the formula to calculate the percentage change is given as

%change= (high-low)/low*100

substituting our given data we have

%change= (9012-4014)/4014*100

%change= (4998)/4014*100

%change= (1.2451)*100

%change= 124.51%

The total change in the stock market from the beginning of the day to the end of the day is 124.51%

7 0
3 years ago
Linda ran 2 mile in 1/3 hour. How many <br> miles did she run in one hour?
Semenov [28]
She would’ve ran 6 miles in an hour.
4 0
2 years ago
Read 2 more answers
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
KengaRu [80]

Answer:

Using the ratio and proportion method, we find that on an average 1.875 rooms can be painted per gallon.

Step-by-step explanation:

Concept: Use the method of ratio and proportion. Given that for 2/5 gallons of paint, we can paint 3/4 of rooms. So, for one gallon of paint, divide 2/5 by 3/4.

2/5 gallons of paint = 3/4 rooms

1 gallon of paint = \frac{\frac{3}{4} }{\frac{2}{5} } = \frac{15}{8} =1.875 rooms

So, on an average they can paint 1.875 rooms per gallon.

For more explanation, refer the following link

brainly.com/question/11243787

#SPJ10

8 0
2 years ago
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