a) 
because it is equal to the area of the shaded region between X=4 and X=6, and the probability that X falls within some interval is given by the area under the PDF.
b) 
because the shaded region is a rectangle of height 1/5 (by virtue of X following a uniform distribution over the interval [2, 7], which has length 5).
angleD=(7b+1)angle E=(2b+1)and angle F=(b+8)
Answer:
answer
Step answer by answer step explanation step answer answer by by expla
Me too honestly they give so much work
Answer:
1. 343
2. 64
3. 81
4. 12.25
Step-by-step explanation:
