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Anastasy [175]
3 years ago
14

Evaluate the expression for a = 4 and b = 3. A-81 B-24 C-36 D-144

Mathematics
1 answer:
Dimas [21]3 years ago
4 0
Where the expression....
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It is known that 10% of the items produced by a certain machine end up having a flaw. If we select 7 items from the production l
denpristay [2]

Step-by-step explanation:

p = 0.1, q = 0.9, n = 7

a) Use complementary probability.

P(at least 1) = 1 − P(0)

P(at least 1) = 1 − (0.9)⁷

P(at least 1) = 0.522

b) Use binomial probability.

P = nCr pʳ qⁿ⁻ʳ

P(3) = ₇C₃ (0.1)³ (0.9)⁴

P(3) = 0.023

6 0
3 years ago
What is the difference between x-12=y and y=x-12?
ANEK [815]
There no difference between x-12=y and y=x-12
8 0
3 years ago
Simplify each expression. (7x+x^4+x^3)-(6x-2x^3+8x^4)
aleksandrvk [35]
the answer is x + 3x^3 - 7x^4
8 0
2 years ago
20,18,13,17,18 find the mean,median and mode​
Degger [83]
<h3>Answer:</h3>

Mean: 17.2

Median: 18

Mode: 18

<h3>Solution:</h3>

Mean: The sum of all observation divided by several observation

  • 20+18+13+17+18=86
  • 86÷5=
  • 17.2

Median:it is the middlemost observation of data arraged in increasing or decreasing order of values

  • (13,17,18,18,20)
  • (17,18,18)
  • (18)

Mode:it is the value that occurs frequently in a set of data

  • (13 , 17 , 18 , 18 , 20)

Hope it helps

6 0
2 years ago
Read 2 more answers
The first step in long division is to ___. divide multiply subtract
Aleonysh [2.5K]

Answer:

divide

Step-by-step explanation:

5 0
3 years ago
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