Answer:
P-value = 0.0455
Step-by-step explanation:
In this question, we are concerned with calculating the P- value in a test.
Mathematically we know that;
P-value = 2 * P(Z > |z|)
Please check attachment for complete solution and by step explanation
A function is said to even if it returns the same output when given two opposite inputs:

In your case, you have

And since
, the proof is concluded.
Answer:
School collected 273 coats in second month.
Step-by-step explanation:
Given
Total number of coats collected in 2 months = 542
Number of coats collected in first month = 269
We need to find the number of coat school collected in second month.
Solution:
Now we can say that;
Total number of coats collected in 2 months is sum of Number of coats collected in first month and Number of coats collected in Second month.
Also We can say that;
Number of coats collected in Second month is equal to Total number of coats collected in 2 months minus Number of coats collected in first month.
framing in equation form we get;
Number of coats collected in Second month = 
Hence School collected 273 coats in second month.
The answer is 27000
Heres a trick:
2.7 x 10^5
You start from the decimal and move 5 spaces to the right which lead you to 27000
2.7----->. (27000) hope you understand