Answer:
3: 
4: 
Step-by-step explanation:
Question 3 can be re-written as:

which equals:

Question 4 can be re-written as:

Doing the first 2 brackets gives us:

Expanding these two:

Simplifying it:

Answer:
b. 0.0228
Step-by-step explanation:
We are given that
n=40
Mean,
Standard deviation,
g
We have to find the probability hat the mean weight for a sample of 40 summer squash exceeds 405.5 grams.






Hence, option b is correct.
Same=same figure out what the x is both x are the same number on both side is the same answer hope that helps
Answer:
-70003
Step-by-step explanation:
-70000 - 3 = - 70003