Answer:
7 = 7 * 10 = 70
Step-by-step explanation:
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.
The answer is negative two
1/2
Step-by-step explanation:
there are two numbers 3 and 6 so 2/6 is 1/3
X is independent and Y is dependent
