Mean diameter = 25 mm
Standard deviation = 0.2 mm
25.6 mm - 25 mm = 0.6 mm
0.6 mm : 0.2 mm = 3
Answer:
A ball bearing with a diameter 25.6 mm differs from the mean
D ) 3 standard deviations.
Answer:
50
Step-by-step explanation:
Hi there
4 - 2y - 8y + 6.2
4 - 10y + 6.2
-10y + 6.2 + 4
-10y + 10.2
Good luck :)
It had to start off negative. Odd powers of negative numbers remain negative, even powers will always be positive no matter what. Every time you add one to the power, you multiply by another negative, changing the sign.
