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chubhunter [2.5K]
1 year ago
12

Find the weighted average of the numbers -1 and 1, with weight 2/3 on the first number and 1/3 on the second number.

Mathematics
1 answer:
jasenka [17]1 year ago
6 0

The  weighted average of the numbers -1 and 1, with weight 2/3 on the first number and 1/3 on the second number is 0.33

What is weighted average?

Weighted average is the sum of the two numbers multiplied by their respective weights, in other words, the weighted average can be determined using the below formula :

Weighted average=(first number*its weight)+(second number*its weight)_

weighted average=(1*2/3)+(-1*1/3)

weighted average=0.33

Find out more about weighted average on:brainly.com/question/28042295

#SPJ1

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Find the compound interest on 800 at 5% per annum for 2 years.​
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Answer:

C = 82

Step-by-step explanation:

Given

R = 5\% -- Rate

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N = 2 -- Time

Required

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Answer:

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Part 2) The response variable is the baking time

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part 3) two-sample z-test for proportions should be used for the test

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A quantitative variable is one that take on numerical values.

A two proportion z-test allows you to compare two proportions to see if they are the same. The null hypothesis (H0) for the test is that the proportions are the same. The alternate hypothesis (H1) is that the proportions are not the same.

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Answer:

(x+8)(5x2−2)

Step-by-step explanation:

Hope this helps have a nice day :)

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