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Angelina_Jolie [31]
3 years ago
11

Help ASAP please!!!

Mathematics
2 answers:
inna [77]3 years ago
5 0

Answer: Option B  0.94 is correct

Explanation:

Mean is the sum of given observations divided by the total   observations given. It is also the average or arithmetic average of observations.

Here we have sum of observations is 1+0.5+0.3+0+0+0+1.2+3+0+1.1+0.7+2+1.3+2 =  13.1

and total observations are 14

mean=\frac{\text{sum of observations}} {\text{total observation}}

Now we substitute the values of sum of observation and total  observation into  above formula and we get  

Mean =  \frac{13.1}{14} = 0.93571 \approx 0.94  

Hence, mean = 0.94

So, option B is correct

tatyana61 [14]3 years ago
3 0
U should add all the #s together so... it = 11.3
then divide by the # of terms. so...... 11.3/ 14= 0.9357 (rounded makes 0.94) 


So .... B
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If a and b are independent events, p(a)=0. 20, and p(b)=0. 80, what is p(b|a)?.
goldfiish [28.3K]

Answer:

P(B | A) = 0.80

Step-by-step explanation:

For independent events A and B,     P(B | A) = P(B)

Therefore, P(B | A) = 0.80

3 0
2 years ago
Pls help me with the answer​
Katarina [22]

Answer:

-27

5

10

-13

Step-by-step explanation:

-9*3=-27   -*+=-

-25/-5=5   -/-=+

7-(-3)=7+3=10  -(-)=+

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8 0
2 years ago
Fernando needs a total of 6
Fantom [35]

Answer:

Equation: 6f = 5

Result: 6/5 cup of flour is needed for each batch of bread

Step-by-step explanation:

Given

6 cups of flour makes 5 batches of bread

Required

His much flour is needed for each batch.

Let f represent a cup of flour.

The statement "total of 6 cups of flour to make 5 batches of bread." means that

f + f + f + f + f + f = 5 batches of bread

f * 6 = 5

6f = 5

The above equation will give the number of cup needed for 1 batch of bread.

To do that, we simply divide both sides by 5

6f/5 = 5/5

6f/5 = 1

Hence,

The equation is represented by: 6f = 5

And the result is: 6/5 cup of flour is needed for each batch of bread

3 0
3 years ago
Read 2 more answers
What's the answer for 3/4 (x+3)=9
Vitek1552 [10]
We want to solve the equation :

\displaystyle{  \frac{3}{4}(x+3)=9


first, multiply both sides by 4:

\displaystyle{ \cancel{4} \cdot \frac{3}{ \cancel 4 }(x+3)=4\cdot 9

\displaystyle{ 3(x+3)=36


divide both sides by 3:

x+3=12


add -3 to both sides:

x=9



Answer: x=9
3 0
3 years ago
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