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nevsk [136]
3 years ago
14

Simplify the expression by combining like terms. -3(6j+1)-(3j+6)-4j+7

Mathematics
1 answer:
Alexandra [31]3 years ago
8 0
-18j-1-3j-6-4j+7
-18j-3j-4j-1-6+7
-25j
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For exercise 1-5 whole is one hundredths grid. Write fraction and decimal names for the shaded part
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3 years ago
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If the level of significance of a hypothesis test is raised from 0.005 to 0.2, the probability of a type ii error will:_________
LiRa [457]

The probability of type II error will decrease if the level of significance of a hypothesis test is raised from 0.005 to 0.2.

<h3 /><h3>What is a type II error?</h3>

A type II error occurs when a false null hypothesis is not rejected or a true alternative hypothesis is mistakenly rejected.

It is denoted by 'β'. The power of the hypothesis is given by '1 - β'.

<h3>How the type II error is related to the significance level?</h3>

The relation between type II error and the significance level(α):

  • The higher values of significance level make it easier to reject the null hypothesis. So, the probability of type II error decreases.
  • The lower values of significance level make it fail to reject a false null hypothesis. So, the probability of type II error increases.
  • Thus, if the significance level increases, the type II error decreases and vice-versa.

From this, it is known that when the significance level of the given hypothesis test is raised from 0.005 to 0.2, the probability of type II error will decrease.

Learn more about type II error of a hypothesis test here:

brainly.com/question/15221256

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7 0
2 years ago
A model of a statue has a scale to the actual statue of 1 inch : 8 inches. What percent of the actual statue's height is the mod
ArbitrLikvidat [17]

Answer:

6.25%

Step-by-step explanation:

Percent = (\frac{height in model}{actual height})*100

             = \frac{1}{8}*100\\\\\\= \frac{25}{4}\\\\\\= 6.25

               

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What is the value of the expression below?
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0+0+c=0

Step-by-step explanation:

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A car dealership increased the price of a certain car by 3%. The original price was $34,800.
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The new value is 35,844
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