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Citrus2011 [14]
3 years ago
9

I need the Combination( probability) of this problem.

Mathematics
1 answer:
coldgirl [10]3 years ago
8 0
Check attached image file.

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Which percent is equivalent to 13/25?
Diano4ka-milaya [45]

Answer:

52%

Step-by-step explanation:

13/25  

13 ÷ 25

0.52

0.52 × 100/100

0.52 × 100%

(0.52 × 100)%  

52%

4 0
3 years ago
The weight distribution of parcels sent in a certain manner is normal with meanvalue 12 pounds and standard deviation 3.5 pounds
tino4ka555 [31]

Answer:

The parcel with weight less than 20.14 pounds are 99% of all parcels under the surcharge weight.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 pounds

Standard Deviation, σ = 3.5 pounds

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

Formula:

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

We have to find the value of x such that the probability is 0.99

P( X < x) = P( z < \displaystyle\frac{x - 12}{3.5})=0.99  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 12}{3.5} = 2.326\\\\x = 20.141\approx 20.14  

Thus, parcel with weight less than 20.14 pounds are 99% of all parcels under the surcharge weight.

7 0
3 years ago
Which expression is equivalent to 4(3n-5)
pickupchik [31]

Answer:

12n-20

Step-by-step explanation:

5 0
3 years ago
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lukranit [14]

Answer:

$0.23 or D

Step-by-step explanation:

Edg :)

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Please help!! Giving brainliest and extra points! (Click on photo)
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Answer:

B, C and I think D

Step-by-step explanation:

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