Note that 60 minutes is 1 standard deviation away from the mean and from recalling the 68-95-99.7 rule, the area that will remain is (100 - 68) = 32%. However, we only want the leftmost portion of this area, so the answer is 32%/2 = 16%.
<span>Choose D.</span>
Answer:
-5
Step-by-step explanation:
3x -3 = -9 + 4 = -5
Answer:
u =
⁰
Step-by-step explanation:
- As we know that the sum of interior angles of triangle is 180⁰.
So, according to the question :

Hence, the value of u is 3⁰.

Answer:
81
Step-by-step explanation: