Hello there.
<span>There were 196 students that participated in a clean-up event at a nearby lake. this is one fourth of the entire student population. write and solve an equation to find the number of students at this school.
Answer: x is the number of students in the school.
</span>

= 196.
<span>196 x 4 = 784.
Therefore the number of students in this school is
784.
Hope This Helps You!Good Luck Studying ^-^</span>
Answer:
Step-by-step explanation:
3 is the first one.
-1 is the 2nd
and 7 is the 3rd
Answer:
Step-by-step explanation:
The sample proportion 

The null hypothesis and the alternative hypothesis:

Thus; the test statistics is:





P-value = 2 × P(Z< - 1.768)
From the z tables
P-value = 2 × 0.03853
P-value = 0.07706
Thus, the p-value is 0.05 < P-value < 0.10
Answer:
$6
Step-by-step explanation:
1 pencil is 50 cents. 12 pencils cost $6