So do you need help or are you asking people if they need help?
A.) True - Both cones and Pyramids have only one base
Here, number of bulletin board = 1
Artwork = 2/5 th, & math papers = 1/5
So, it would be: 1/5 + 2/5 = 3/5
In short, Your Answer would be 3/5 or 0.60
Hope this helps!
68% fall within +/- 1 SD, so men above that 1 SD (165) are: (100-68)/2
32/2 = 16% above 165 and also 16% below 135
