Answer:
The correct answer will be "-1.66".
Step-by-step explanation:
Let z₀ be,


⇒ 
Now,
⇒ 


Thus the above is the right answer.
Answer:
i guess u know how to calculate a rectangle
Step-by-step explanation:
https://sciencing.com/area-triangular-prism-8165114.html
The interval

corresponds to the part of the distribution lying within 2 standard deviations of the mean (since 500-2*100=300 and 500+2*100=700). The empirical rule states that approximately 95% of the distribution is expected to fall in this range.
4 2/6 that is the answer you were looking for i hope
Answer: b is about 13.8 or choice A.
See picture reply.