1 solution. it can't be 2, and if you solve it, there is a solution, x stays in the equation, so there's 1 solution
Answer:
you need 8 bins because 150/20 is 7.5 but you can't have half a bin and you need somewhere to put the other books
Answer: 1/6
Invert 6/5 which becomes 5/6 and then multiply
3/15×5/6= 15/90
Which simplified becomes 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.
