Rewrite the expression...see attached picture....
2 answers:
For this case we must take into account the following properties of exponents:
1) Same base, the exponents are added
2) The addition and subtraction of polynomials can only be done between terms of the same degree.
3) r (x) is the residue
4) q (x) is the quotient
5) b (x) is the divisor
Answer:
See attached image.
1) Same base, the exponents are added
2) The addition and subtraction of polynomials can only be done between terms of the same degree.
3) r (x) is the residue
4) q (x) is the quotient
5) b (x) is the divisor
Answer:
See attached image.
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Answer:
If we compare the p value obtained and the significance level given we have
so we can conclude that we have enough evidence to reject the null hypothesis, and we can said that at 5% of significance the proportion of americans between 17 to 24 that not qualify for the military is significantly less than 0.75 or 75% .
Step-by-step explanation:
1) Data given and notation
n=180 represent the random sample taken
X=125 represent the number of americans between 17 to 24 that not qualify for the military
estimated proportion of americans between 17 to 24 that not qualify for the military
is the value that we want to test
represent the significance level
Confidence=95% or 0.95
z would represent the statistic (variable of interest)
represent the p value (variable of interest)
2) Concepts and formulas to use
We need to conduct a hypothesis in order to test the claim that less than 75% of Americans between the ages of 17 to 24 do not qualify for the military :
Null hypothesis:
Alternative hypothesis:
When we conduct a proportion test we need to use the z statistic, and the is given by:
(1)
The One-Sample Proportion Test is used to assess whether a population proportion is significantly different from a hypothesized value
.
3) Calculate the statistic
Since we have all the info requires we can replace in formula (1) like this:
4) Statistical decision
It's important to refresh the p value method or p value approach . "This method is about determining "likely" or "unlikely" by determining the probability assuming the null hypothesis were true of observing a more extreme test statistic in the direction of the alternative hypothesis than the one observed". Or in other words is just a method to have an statistical decision to fail to reject or reject the null hypothesis.
The significance level provided . The next step would be calculate the p value for this test.
Since is a left tailed test the p value would be:
If we compare the p value obtained and the significance level given we have
so we can conclude that we have enough evidence to reject the null hypothesis, and we can said that at 5% of significance the proportion of americans between 17 to 24 that not qualify for the military is significantly less than 0.75 or 75% .
Answer:
A
Step-by-step explanation:
The sum of the exterior angles for each polygon is always 360°.
The sum of the interior angles for each polygon is always 180°(n-2).
If you have n-sided convex polygon, then
So,