3 years ago

Why do you need to calculate mean, or modo of a set of data?

Mathematics

1 answer:

goldfiish [28.3K]3 years ago

3 0

To find the average of the data

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2/3 of the cost of the sweater is $18

blagie [28]

The total of the sweater is $27.
Divide 18/1 by 2/3. You would get 27. Which means 1/3 of the sweater is $9.
And 2/3 would be $18.

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3 years ago

Which line shows the first error in the solution?

Arlecino [84]

Error
6 x = - 2 (5)
should be

2 x = - 18 (5)

answer
D.
Line 5

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3 years ago

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gayaneshka [121]

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4 years ago

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Debora [2.8K]

Answer:

×< -5

Step-by-step explanation:

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3 years ago

A company has 8 mechanics and 6 electricians. If an employee is selected at random, what is the probability that they are an ele

Andre45 [30]

Answer:

$Probability = \frac{3}{7}$

Step-by-step explanation:

Given

Electrician = 6

Mechanic = 8

Required

Determine the probability of selecting an electrician

First, we need the total number of employees;

$Total = n(Electrician) + n(Mechanic)$

$Total = 6 + 8$

$Total = 14$

Next, is to determine the required probability using the following formula;

$Probability = \frac{n(Electrician)}{Total}$

$Probability = \frac{6}{14}$

Divide numerator and denominator by 2

$Probability = \frac{3}{7}$

Hence, the probability of selecting an electrician is 3/7

4 0

3 years ago