Answer: 0.9765
Explanation:
The cumulative distribution function for exponential distribution for random variable x is given by :-
, where 
is the mean of the distribution .
Given : On average, 5 customers arrive at the drive-up window of a fast-food restaurant every 4 minutes during the lunch hour.
Then 
Now, the probability that the next customer will arrive within three minutes :-
Hence, the probability that the next customer will arrive within three minutes = 0.9765
Answer:
1. My daughter is having a birthday party today. She is turning 7.
Explanation:
This is the right answer that you're looking for ;)
<em>PLEASE</em><em> </em><em>DO MARK</em><em> </em><em>ME AS</em><em> </em><em>BRAINLIEST IF</em><em> </em><em>MY ANSWER</em><em> </em><em>IS HELPFUL</em><em> </em><em>:</em><em>)</em><em> </em>
You should present more evidence
I hope this helps!
B
Explanation:
because you can answer the question. "what was he surprised at?" at the ease
