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Scrat [10]
3 years ago
15

Find the missing probability in the table below.

Mathematics
1 answer:
Alika [10]3 years ago
7 0
Hi,thank you for posting your question here at Brainly.

Probability is a numerical value that represents a fraction of a whole. Since there are 4 samples indicated in row X, then there must be 4 probabilities corresponding to each. The sum of all those probabilities must equal to 1. With this information, we could already find the missing probability.

Summation of P = 1 = 0.40 + 0.20 + 0.20 + x

x = 1 - 0.4 - 0.2 - 0.2
x = 0.2 <-- missing probability
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Step-by-step explanation:

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3 years ago
The formula for the area of a trapezoid with altitude k and bases m and n is . A=k/2 (m+n) solve for m..
SashulF [63]

Answer:

m=A\times\frac{2}{k}-n

Step-by-step explanation:

Given : The formula for the area of a trapezoid with altitude k and bases m and n is A=\frac{k}{2}(m+n)

We have solve for m .

Consider the given formula  A=\frac{k}{2}(m+n)

Multiply both side by \frac{2}{k}, we have,

A\times\frac{2}{k}=m+n

Now subtract n both side, we have,

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Thus, m=A\times\frac{2}{k}-n

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Enter an equation for the word sentence. Use the variable n.
Usimov [2.4K]

Answer:

n + 4.4 = 8.1

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Start with the phrase "the sum of a number and 4.4." A sum comes as a result of adding numbers together - therefore the first part of the equation must be n + 4.4.

Next, the sentence says "is 8.1." The "is" indicates that the expression we just wrote equals something, so that number must be 8.1. Therefore, the whole equation must be n + 4.4 = 8.1.

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A box contains two bags of corn chips eight bags of potato chips and five bags one bag of chosen at random what is the probabili
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