Answer:
The slope of the line is y = 1.8x
Answer:
The probability that a randomly chosen part has diameter of 3.5 inches or more is 0.9525
Step-by-step explanation:

Standard deviation = 
We are supposed to determine the probability that a randomly chosen part has diameter of 3.5 inches or more

Refer the z table for p value

Hence the probability that a randomly chosen part has diameter of 3.5 inches or more is 0.9525
B is the answer to your question I remember putting that in my other class
NO
16 ounce = 1 pound
22 ounce = 1.375 pound ≠ 6 pound