36 and 48 have the ratio of 3:4
Answer:
i dunno what you saying i think we were in the other country ?_?
Answer:
A. The value of the sample proportion is 0.4
B. The standard error of the sample proportion is 0.02619
C. 0.3487 ≤ p ≤ 0.4513
Step-by-step explanation:
The value of the sample proportion p' is calculated as:

Where x is the number of success in the sample or the number of students that use a laptop in class to take notes and n is the size of the sample or 350 students.
On the other hand, the standard error SE of the sample proportion is calculated as:

so, replacing the values, we get:

Finally, an approximate 95% confidence interval for the true proportion p is calculate as:

Where 1-α is equal to 95%, so
is equal to 1.96. Then, replacing the values we get:

0.4 - 0.0513 ≤ p ≤ 0.4 + 0.0513
0.3487 ≤ p ≤ 0.4513
Answer:
24
Step-by-step explanation:
3÷1/8
3* 8 reciprocal
24
Answer:
2.7 million
Step-by-step explanation: Convert 8% to a decimal - .08 and multiply it to 2.5
.08*2.5= 0.2
Then add the product to 2.5
0.2+ 2.5= 2.7 million