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labwork [276]
3 years ago
15

I need this answers asap​

Mathematics
1 answer:
Setler [38]3 years ago
8 0
The third one or last one, i’m thinking the third though
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The random variable x represents the number of computers that families have along with the corresponding probabilities. Find the
Charra [1.4K]

The value of the Mean & Standard deviation is 1.30 and 1.18.

According to the statement

we have a given that the random variable x represents the number of computers that families have along with the corresponding probabilities.

And we have to find the mean and standard deviation from the given data which is related to the probabilities values

So, according to the given data

The formula to compute the mean is:

Mean = summation [x*p(x)]

Compute the mean as follows:

Mean = summation [x*p(x)]

Mean = summation [0*0.49 + 1* 0.05 + 2*0.32 + 3*0.07 + 4*0.07]

Mean = 0 +0.05 + 0.64 + 0.21 + 0.28

Mean = 1.18

The mean of the random variable x is 1.18.

And after calculating the variance from the formula get

The value of standard deviation is 1.30

So, The value of the Mean & Standard deviation is 1.30 and 1.18.

Learn more about mean and standard deviation here brainly.com/question/14650840

#SPJ4

8 0
2 years ago
A company is developing packaging for a new product as shown below.
Alexxandr [17]

Step-by-step explanation:

B and E

B-2 × 4 × 3) + (2 × 9 × 4)=96

E-3 × 4 × 4) + (6 × 4 × 2)=96

answer correct B and E

5 0
2 years ago
Answer number 1 and use the lattice board I set up
Aneli [31]
6*3=18
5*3=15
6*4=24
5*4=20
then you would add the columns and you would get 1,904
It would be easier to show you.
7 0
3 years ago
gina is making a square tablecloth. what is the least number of inches of trim gina will need to go all the way around the edge
boyakko [2]
You need to include the numbers.
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3 years ago
Which value of w makes 14 = 11+<br> w<br> .<br> 6 a true statement?!<br> 8<br> Chon
lubasha [3.4K]
14 = 11 + w/8 • 6

w = 4
7 0
3 years ago
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