# Question: Swapna David is a customer assistant consultant for Acme Information

Swapna David is a customer assistant consultant for Acme Information Systems, who provides assistance for computer users. The mean number of calls per hour is 40 from across the United States and calls are independent.

She has just finished a call and is scheduled to take the next call. What is the probability that she will have at least 3 minutes to obtain her cup of tea?

She has just finished a call and is scheduled to take the next call. What is the probability that she will have at least 3 minutes to obtain her cup of tea?

## Answer to relevant Questions

The jurisdiction of a rescue team includes emergencies occurring on a stretch of river that is 4 miles long. Experience has shown that the distance along this stretch, measured in miles from its northernmost point, at which ...A random variable X is normally distributed with a mean of 500 and a variance of 100 and a random variable Y is normally distributed with a mean of 200 and a variance of 400. The random variables have a correlation ...Five inspectors are employed to check the quality of components produced on an assembly line. For each inspector the number of components that can be checked in a shift can be represented by a random variable with mean 120 ...The ages of a group of executives attending a convention are uniformly distributed between 35 and 65 years. If the random variable X denotes ages in years, the probability density function is as follows: a. Graph the ...It has been found that times taken by people to complete a particular tax form follow a normal distribution with a mean of 100 minutes and a standard deviation of 30 minutes. a. What is the probability that a randomly chosen ...Post your question