We have to find the probability N(11,2)>12, wherein N(11,2) is the normal law with mean 11 and standard deviation 2. Using a scientific calculator we get the probability 0.3.
Now multiply by the population which is 1000 like this: 0.3*1000=300.
There is 300 <span>spiders in the colony which weigh more than 12 grams</span>
Part A: Suzanne bakes 350 in 5 hours and cole bakes 400 in 8 hours. Part B: cole can bake more then suzanne but Suzanne has more time to bake more, so i think suzanne bakes at a faster rate then cole