The mean weight of a koala bear is 7 kg with a standard devi…

The meаn weight оf а kоаla bear is 7 kg with a standard deviatiоn of 1.4 kg.  Assume that the weights of koala bears are bell-shaped.   1. What percentage of koala bears weight more than 4.2 pounds? [Q1] 2. 16% of koala bears weight more than___________?  [q2] 3. 99.7% of koala bears weigh between__________? [q3] 4. If 400 koala bears are randomly chosen approximately how many would be expected to weight between 7 kg and 9.8 kg.  [q4]