Answer:
1) p1=0.83
2) p2=0.81
3) Option B
4) p=0.82
5) s=0.03
6) z=0.67
7) P=0.50
8) Do not reject H0
Step-by-step explanation:
1) The proportion of Republicans who think the full-body scans should be applied in airports is equal to the ratio between the republicans that think it should over the total Republicans in the poll:
2) The proportion of Democrats who think the full-body scans should be applied in airports is equal to:
3) As we want to know if there is a difference in the proportions calculated, not if one is higher or lower than the other, the correct option is B:
4) The pooled estimate of a proportion is the average of both proportions:
5) The standard error can be calculated as:
6) The z-statistic can be calculated as:
7) The P-value for z=0.67 is P=0.50 (from the standard normal distribution table).
8) If the significance level is 0.01, the P-value is bigger than the significance level. The effect is not significanct. The null hypothesis is not rejected.
There is not enough evidence to say that both proportions are different.
A. Do not reject H0
The two angles given are two angles of a triangle, so the third angle must be:
SPR=180-RSP-PRS
SPR=66°
Answer:
Equation:
Solution:
Step-by-step explanation:
A square is a quadrilateral that has four equal sides and four equal angles that measure 90 degrees (An angle that measures 90 degrees is also known as "Right triangle".
By definition, the perimeter of a square can be calculated by multiplying the length of any of its sides by 4 (because all its sides are congruent, as it was explained before).
In this case, you know that the perimeter of this square is 36 feet.
Then, you can write the following equation to model this situation:
Where "s" is the length of any side of the square.
Then, you need to solve for "s" in order to find its value. Divide both sides of the equation by 4.
You get that it is:
Answer:
You are missing information
Step-by-step explanation:
Give me as much information as you can and I will try and solve it for you
Answer:
1) First, add or subtract both sides of the linear equation by the same number.
2) Secondly, multiply or divide both sides of the linear equation by the same number.
3)Instead of step #2, always multiply both sides of the equation by the reciprocal of the coefficient of the variable.
Step-by-step explanation: