X= 20 y= 100
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Answer:
87
——— = 0.87000
100
Step-by-step explanation:
Answer:
25% of deliveries
Step-by-step explanation:
This is a uniform distribution with parameters a = 1.00 and b =5.00. With these conditions, the following probability distribution functions can be applied:

Therefore, the probability that X ≥ 4:00 p.m. is given by

Thus, 25% of deliveries are made after 4:00 p/m.
Answer:
no
Step-by-step explanation:
i just know
The last one 7(30)-7(7) because if you do it then it is 7(23) which doesn’t make sense because it is 27 we need to find