Bred has to paint a wall with 8 horizontal stripes. He has enough paint only for 5 blue, 5 red and 5 white stripes. If he can us
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Answer:
a) The probability that exactly eight arrive during the hour and all eight have no violations is 0.0005.
b) For any fixed y ≥ 8, the probability that y arrive during the hour, of which eight have no violations is:
c) The probability that eight "no-violation" cars arrive during the next hour is 0.030.
Step-by-step explanation:
a) The probability that exactly eight arrive during the hour and all eight have no violations is equal to the product of the probability of arrival of 8 vehicules and the probability of having 8 vehicules with no violations.
b) For any fixed y ≥ 8, the probability that y arrive during the hour, of which eight have no violations is:
c) Using the result of point (b) we can express the probability that eight "no violation" vehicules arrive durting the next hour as:
Answer:
You would want to draw the middle (not shaded part) of the graph.
Red is x-y=0
Blue is x+y=8
