Question: Unifi customer service need to resolve customer problems reported on app support, social media, e-mail and website as quickly as possible.Past data indicate that the

Unifi customer service need to resolve customer problems reported on app support, social media, e-mail and website as quickly as possible.Past data indicate that the 80% chances that customer calls regarding internet service interruptions are resolved within one hour.Out of the next 10 customer calls about interrupted service,

Round all answers to 4 decimal places.

  1. What is the probability that exactly 9 internet interruptions will be resolved within one hour?
  2. What is the probability that all internet interruptions reported will be resolved within one hour?
  3. What is the probability that at least 9 internet interruptions reported will be resolved within one hour?
  4. How many customers would be expected to have their service problems resolvedwithin one hour?

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