Answer:
x^4 + x^3 + 13x + 5
Step-by-step explanation:
Answer
A few ways we could stop racism against black people in this country is to stop the perpepuation of black stereotypes in media. Such as the loud, aggressive black man, or the rude, catty black woman. It causes a harmful view on black people and can result in racial profiling. Another way to combat this racism is to fight off systemic racism. Black people who have unique names, usually African names, are more likely to get turned down for a job when they turn in their resume to an establishment. This is because they automatically assume that they'll be trouble, and won't be a good worker.
Answer:
28 , 28, -14
Step-by-step explanation:
x2+6x+8=0
4(2)+6(2)+8=0
8+12+8=0
28=0
x2+6x+8=0
-4(2)+6(2)+8=0
8+12+8=0
28=0
x2+6x+8=0
-8(2)+6(-1)+8=0
-16-6+8
-14=0
Answer:
a)
b)
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Let X the random variable that represent the mean life span of a brand name tire, and for this case we know the distribution for X is given by:
Part a
We want this probability:

The best way to solve this problem is using the normal standard distribution and the z score given by:

If we apply this formula to our probability we got this:
Part b
Let
represent the sample mean, the distribution for the sample mean is given by:
On this case
We want this probability:
The best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
A set could be a collection of objects. These objects are called components of the set. ii) Subset. A subset b of a set a could be a set whose components are too components of a.
Please correct any mistakes!! :)