You take y down 5 then add x
Answer:
Step-by-step explanation:
1) Data given
represent the population proportion of complaints settled for new car dealers
represent the sample of complaints involving new car dealers.
2) Find the distribution of
First we can begin with the expected value
and that represent the mean
Now we can find the variance for
When we use a proportion p, when we draw n items each from a Bernoulli distribution. The variance of each Xi distribution is p(1−p) and hence the standard error is p(1−p)/n. for this reason the variance for is given by:
So then the deviation would be given by:
The sample distribution of the sample proportion is normal, so then we have this:
3) Calculating the mean and standard deviation
We can replace the values given in order to find the mean and deviation:
Answer:
square units [one-half x squared square units]
Step-by-step explanation:
As shown in the diagram attached to this response,
Since a square has all sides equal, let the sides of the square be each of <em>a</em> units.
The area, A, of the square = a x a = a²
i.e
A = a² --------------(i)
Now,
The diagonal is x units such that applying Pythagoras rule gives;
x² = a² + a²
x² = 2a²
a² = ----------------(ii)
Substitute the value of a² in equation (ii) into equation (i) to get;
A =
Therefore, the area of the square is square units
Answer:
x⊥a
Step-by-step explanation:
If we draw this out, we see that x is perpendicular to a as well.
Answer:
AP: 10, 0, -10, -20...
a = 10, d = -10
nth term of the AP = a + (n-1)d
= 10+ (n-1)-10
= 10 - 10n + 10
= 20 - 10n
a10 = 20-10(10)
= 20 - 100
= -80
Hope this helps!