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Nikitich [7]
3 years ago
10

Suppose the results indicate that the null hypothesis should be rejected; thus, it is possible that a type I error has been comm

itted. Given the type of error made in this situation, what could researchers do to reduce the risk of this error? Increase the sample size. Choose a 0.01 significance level instead of a 0.05 significance level.
Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0

Answer:

You need to Choose a 0.01 significance level , instead of 0.05 significance level.

Step-by-step explanation:

Consider the provided information.

It is given that type I error has been committed.

Type I error occur, if we rejected the null hypothesis even null hypothesis is true.

We reject the null hypothesis if p-value < α

Accept the null hypothesis if p-value ≥ α

According to given condition the value of α is 0.05  that means 95% chance that your assumption is correct and 5% chance that assumption is wrong.

In order to reduce the risk of this error you need to increase the significance level so that the value of α becomes lower than the p value.

lower α means you will be less likely to detect a true difference if one really exists.

Hence, you need to Choose a 0.01 significance level , instead of 0.05 significance level.

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Help quick Given f(x) and g(x) = k⋅f(x), use the graph to determine the value of k.
Salsk061 [2.6K]

Answer:

k = -3

Step-by-step explanation:

F(x) has a positive slope

g(x) has a negative slope

Let x = -3

The y value goes from 1 to -3

g(x) = k⋅f(x)

-3 = k(1)

-3 = k

6 0
3 years ago
Factor out the GCF from the terms of the polynomial –4y5 + 6y3 + 8y2 – 2y. A. –2y4 + 3y2 + 4y – 1 B. y(–4y4 + 6y2 + 8y – 2) C. 2
andreyandreev [35.5K]

Answer:

Option D) -2y(2y^4-3y^2-4y+1) is correct

Therefore -4y^5+6y^3+8y^2-2y=-2y(2y^4-3y^2-4y+1)

Step-by-step explanation:

Given polynomial is -4y^5+6y^3+8y^2-2y

To factorise the given polynomial by taking out the common terms of the given polynomial :

  • -4y^5+6y^3+8y^2-2y
  • =2y(-2y^4+3y^2+4y-1) ( here 2y is GCF common term so taking outside the terms of the polynomial )
  • =-2y(2y^4-3y^2-4y+1) ( now taking (-) outside )

Therefore -4y^5+6y^3+8y^2-2y=-2y(2y^4-3y^2-4y+1)

Option D) -2y(2y^4-3y^2-4y+1) is correct

8 0
4 years ago
Simplify 1 by 4 plus 1 1 by 4 plus 1 2 by 5​
dybincka [34]
<h3>Solution:.</h3><h3>\frac{1}{4}  +  \frac{11}{4}  +  \frac{12}{5}  \\  =  \frac{1 \times 5 + 11 \times 5 + 12 \times 4}{20}  \\  =  \frac{5 + 55 + 48}{20}  \\  =  \frac{108}{20}  \\  = 5 \frac{8}{20}  \\  = 5 \frac{2}{5}</h3><h3>Answer:</h3>

5 \frac{2}{5}

Hope it helps.

Do comment if you have any query.

3 0
3 years ago
A jar contains 4 red marbles, numbered 1 to 4, and 11 blue marbles numbered 1 to 11. A marble is chosen at random. If you're tol
svlad2 [7]

Answer:

25%

Step-by-step explanation:

So there are four marbles that are red.

It doesnt matter if we have a probability of picking blue because the question says you are picking red.

There are four possible outcomes and one favorable outcome so it is 1/4 of 25/100 or 25%

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

8 0
3 years ago
2/9 of Mrs. Hanak's 18 students are Minton walkers. How many students dismiss as Minton walkers?​
Alex

Answer:

2*2=4, 9*2=18, so 2/9 = 4/18, 4 students are Minton walkers.

Step-by-step explanation:

4 0
3 years ago
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