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vagabundo [1.1K]
3 years ago
10

Dont guess! I will mark brainliest if its correct!

Mathematics
2 answers:
Hitman42 [59]3 years ago
8 0

Answer:

40% The answer is c because 4.0 as a fraction is 2/5 and 2/5 as a percentage is 40%.  This is the answer I got so hope it's right and hope it helps!

Step-by-step explanation:

ioda3 years ago
3 0

Answer:

c) 40%

Step-by-step explanation:

2.8 + 3.2 + 4.0 =10lb

4.0 ÷ 10 × 100

= 40 %

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Step-by-step explanation:

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a sacle drawing shows a room as 10 cm by 7 cm. the scale of the drawing is 2 cm = 5m. what is the actual area of the room?
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Step-by-step explanation:

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The probability that a lab specimen contains high levels of contamination is 0.12. A group of 4 independent samples are checked.
sergiy2304 [10]

Answer:

0.5996 is the probability that none contain high levels of contamination.

Step-by-step explanation:

We are given the following information:

We treat  lab specimen containing high levels of contamination as a success.

P( lab specimen containing high levels of contamination) = 0.12

Then the number of lab specimens follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

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