A type I error takes place if a given null hypothesis is rejected but is said to be true in the population such as the forecast shows it is snowing outside but actually it is isn't.
<h3>What is type 11 error?</h3>
A type II error is known to be a statistical term that tells the error that takes place when one fails not to accept a null hypothesis that is said to be really false. A type II error create a false negative.
- It known is known also as an error of omission. Example is the forecast shows that It is not snowing but it is actually snowing.
Note that:
- Type I error is false positive.
- Type II error is false negative.
The power of the test shows that:
- The Power is the likelihood of rejecting the null hypothesis even if it is false.
- Power is the likelihood of making the right decision that is to reject the null hypothesis even if the null hypothesis is false.
- Power is the likelihood of not making a Type II error and others.
See full question below
Suppose you have the following null and alternative hypothesis:
H o: it is snowing.
H a: It is not snowing
(A) in the context of this problem, describe a Type-1 error
(B) Describe Type II error
(C)Describe power of the test
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Answer:
-1 is the answer
Step-by-step explanation:
D= # of dimes
q= # of quarters
QUANTITY EQUATION:
d + q= 64
COST EQUATION:
0.10d + 0.25q= $9.25
STEP 1:
multiply quantity equation by -0.10 to be able to eliminate the d term in step 2
(-0.10)(d + q)= (-0.10)(64)
-0.10d - 0.10q= -6.40
STEP 2:
add equation from step 1 to cost equation to eliminate the d term and solve for q
Add
0.10d + 0.25q= $9.25
-0.10d - 0.10q= -6.40
0.15q= 2.85
divide both sides by 0.15
q= 19 quarters
STEP 3:
substitute q value in step 2 into either original equation to find d value
d + q= 64
d + 19= 64
subtract 19 from both sides
d= 45 dimes
CHECK:
0.10d + 0.25q= $9.25
0.10(45) + 0.25(19)= 9.25
4.50 + 4.75= 9.25
9.25= 9.25
ANSWER: There are 45 dimes and 19 quarters.
Hope this helps! :)
<span>2500 + .42 X ≥ 8800 </span>
<span /><span><span>X <span>≥</span></span> 15,000</span>
<span /><span>The red circle is closed because the inequality is greater than or equal to 15,000
</span>
Answer: 66 2/3
Step-by-step explanation:
360 x
—— = ——
540 100
