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Alika [10]
3 years ago
7

What is the decimal multiplier to decrease by 72%?

Mathematics
2 answers:
s2008m [1.1K]3 years ago
5 0
Answer

0.28

Step by step explanation
mixer [17]3 years ago
4 0

Answer:

0.28

Step-by-step explanation:

Given in question that,we have to decrease by 72%.that means from 100% of total, 72% should be decreased. that means an overall of 28% will be left. so if you make a number into 28% of it, it implies that you have decreased that number by 72%.so from this,we can say that we have to make the number 28%.that means we have to multiply the number with 28/100 which is equal to 0.28.

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6 0
3 years ago
When finding the margin of error for the mean of a normally distributed population from a sample, what is Alpha, assuming a conf
MArishka [77]

The value of alpha is 0.26, assuming a confidence level of 74%.

<h3>What is the margin of error?</h3>

The significance level α is the probability of making the wrong decision when the null hypothesis is true.

Alpha levels which is also called as significance levels are used in hypothesis tests.

Given

When finding the margin of error for the mean of a normally distributed population from a sample.

The confidence interval = 74% = 0.74.

The value of the alpha is given by;

\rm \alpha =1- Confidence \ interval

Substitute all the values in the formula

\rm \alpha =1- Confidence \ interval\\\\\alpha=1-0.74\\\\\alpha=0.26

Hence, the value of alpha is 0.26, assuming a confidence level of 74%.

To know more about confidence interval click the link given below.

brainly.com/question/26725727

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2 years ago
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valkas [14]

Answer:

the fourth one is the answer

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3 years ago
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Step-by-step explanation:

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