Answer:
yes
Step-by-step explanation:
Answer:
y =
Step-by-step explanation:
the graph shows the vertex is (2,0); which means it is
y =
which show 2 units to the right on the x-axis and staying at y=0
Answer:
45
Step-by-step explanation:
6/2 = 3
42+3 = 45
Roughly 1.7 percent of the bands are shorter than 3cm. We calculate the z score of the data point in standard distribution. By definition of z score, we use score minus mean divided by standard deviation. z=(3-6)/1.5=-2. A z score of -2 corresponds to approximately 1.7%, in other words, roughly 1.7 percent of data is less than 3cm.