a) What is the probability that 8 or 9 new subscriptions come in the next 20 seconds? State the distribution, parameter(s), and support that you are using. b) It is known that the membership costs $12.99 per month. Find the expected revenue Amazon makes from new subscriptions in next 20 seconds.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Please don't switch the subject to Statistics or Probability. For some reason whenever the subject is switched to those two. I don't receive any help it is a bug. please help me thank you.

Last month, on average 36 new Amazon Prime subscriptions came in per minute.
Assume all subscriptions are independent.
a) What is the probability that 8 or 9 new subscriptions come in the next 20
seconds? State the distribution, parameter(s), and support that you are using.
b) It is known that the membership costs $12.99 per month. Find the expected
revenue Amazon makes from new subscriptions in next 20 seconds.
Transcribed Image Text:Last month, on average 36 new Amazon Prime subscriptions came in per minute. Assume all subscriptions are independent. a) What is the probability that 8 or 9 new subscriptions come in the next 20 seconds? State the distribution, parameter(s), and support that you are using. b) It is known that the membership costs $12.99 per month. Find the expected revenue Amazon makes from new subscriptions in next 20 seconds.
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