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STALIN [3.7K]
3 years ago
7

Can anyone help me with this?

Mathematics
2 answers:
kolbaska11 [484]3 years ago
5 0
Pretty sure the correct is B
arsen [322]3 years ago
4 0

Answer :The answer is B.

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David bought a poster for an art project. The poster is 2.7 ft wide and 3.9 ft tall. What is the area of the poster? Enter your
algol13
10.53 ft is the Area. :D:D
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3 years ago
A basket contains 11 pieces of fruit: 4 apples, 5 oranges, and 2 bananas. Jonas takes a piece of fruit at random from the basket
zheka24 [161]

Answer:

the chances are 5/11 that Jones will get an orange and 5/11 that Beth will get an orange also

Step-by-step explanation:


4 0
3 years ago
n HP laser printer is advertised to print text documents at a speed of 18 ppm (pages per minute). The manufacturer tells you tha
Dominik [7]

Answer:

0.321 is the probability that their mean printing speed of the sample is greater than 17.99 ppm.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 17.39 ppm

Standard Deviation, σ = 4.25 ppm

Sample size = 11

We are given that the distribution of printing speed is a bell shaped distribution that is a normal distribution.

Formula:  

z_{score} = \displaystyle\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}  

P(printing speed of the sample is greater than 17.99 ppm.)  

P(x > 17.99)  

P( x > 17.99) = P( z > \displaystyle\frac{17.99-17.39}{\frac{4.25}{\sqrt{11}}}) = P(z > 0.468229)\\\\P( z > 0.468229) = 1 - P(z < 0.468229)

Calculating the value from the standard normal table we have,

1 - 0.679 = 0321= 32.1\%\\P( x > 17.99) = 32.1\%

Thus, 0.321 is the probability that their mean printing speed of the sample is greater than 17.99 ppm.

8 0
4 years ago
Determine a rational number that is located between -2 1/4 and -2.8
Kipish [7]

Answer:

7

Step-by-step explanation:

3 0
3 years ago
At a competition with 8 runners, 2 medals are awarded for first and second place. Each medal is different. How many ways are the
BigorU [14]

Answer:

56

Step-by-step explanation:

At a competition, there are 8 runners

2 medals are awared for first and second place

Therefore the eat to award the medal van be calculated as follows

8×7

= 56

3 0
3 years ago
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