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Elza [17]
4 years ago
8

Solve for r. -9-3r=6-3(r+5)

Mathematics
1 answer:
damaskus [11]4 years ago
3 0
There are infinitely many solutions.
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How many significant figures are in the following measurement? 0.000154kg
erik [133]

Answer:

I think 99999999.99999 kg

7 0
3 years ago
Let (X1, X2, X3, X4) be Multinomial(n, 4, 1/6, 1/3, 1/8, 3/8). Derive the joint mass function of the pair (X3, X4). You should b
Ket [755]

Answer:

The random variables in this case are discrete since they have a Multinomial distribution.

The probability mass function for a discrete random variable X is given by:

P(X=x_{i}  )

Where are x_{i} are possible values of X.

The joint probability mass function of two discrete random variables X and Y is defined as

P(x,y) =P(X=x,Y=y).

It follows that, The joint probability mass function of X_{3}   , X_{4} is :

P(X_{3}, X_{4} ) = P( X_{3} = x_{3}, X_{4} = x_{4} ) =\frac{1}{8} +\frac{3}{8} =\frac{1}{2}

8 0
3 years ago
After I add up all the numbers and divide them what do I do after?
Novosadov [1.4K]
When finding the mean you add up the numbers that are needed to find the mean and divide them by the amount of numbers you added. For example question 5 you will add 58+58+62+55+49+48 which will equal 330 and then divide it by 6 because there are 6 numbers which is 55.

4 0
3 years ago
Suppose a normal distribution has a mean of 12 and a standard deviation of 4.
vovikov84 [41]
Hello!

The mean is 12

The data has a standard deviation of 4

Look and see how far away 18 is from 12 using 4

12 + 4 = 16

16 is one deviation

16 + 4 = 20

20 is two deviation

18 is right in the middle

The answer is C. 1.5 deviations

Hope this helps!
4 0
3 years ago
16 + 36 Drag numbers to the lines to create an equivalent expression in factored form
Goshia [24]
Answer:
52
this is most likely the correct answer
7 0
3 years ago
Read 2 more answers
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