Answer:
Explanation:
*3(2x+1)+2(x+3)
6x+3+2(x+3)
*6x+3+2(x+3)
6x+3+2x+6
*6x+3+2x+6
6x+9+2x
*6x+9+2x
8x+9
Answer = 8x+9
Step-by-step explanation:
The answer C ! Have a good day
co-interior angle
Step-by-step explanation:
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Answer:
And we can find this probability with the complement rule:
And we can use excel or the normal standard table and we got:
So then we expect about 81.8% of students that will be promoted
Step-by-step explanation:
Let X the random variable that represent the scores of promotion of a population, and for this case we know the distribution for X is given by:
Where and
We want to find the following probability:
And we can use the z score formula given by:
Using the z score formula we got:
And we can find this probability with the complement rule:
And we can use excel or the normal standard table and we got:
So then we expect about 81.8% of students that will be promoted
Answer:
Option c (Upper tailed) is the correct choice.
Step-by-step explanation:
Given that:
The average attendance is:
= 74,900
We will have to test:
⇒
or,
Verses,
⇒
or,
The other given alternatives aren't connected to the given scenario. So the above is the correct one.