Answer:
3
Step-by-step explanation:
4/10 cookies so that is 2/5 or 40% :)
Answer:
6
Step-by-step explanation:
12/2=6/1=6
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.
