Please do not give solution in image format thanku A regional cellphone sales manager is deciding how many people to hire for a sales office. Data shows sales associates take 20 minutes per customer. The service time follows an exponential distribution. The arrival rate is expected to be 6 people per hour and will follow a Poisson distribution. This particular branch is scheduled to have 4 sales associates.   What is the average time people will wait in line in minutes before being seen by a sales associate? Calculate your answer to three decimal places.

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Inventory Management

The supply chain is crucial to a firm's operations as it manages the inflow and outflow of products that are manufactured from the initial stage to the end product. It also considers the raw materials needed at different stages of production and when the work is in progress. Inventory management functions consist of ordering, storing, and procuring the organization's inventory like raw materials, factors, and finished products. It's also used for controlling the number of products for trade and helps manage the organization's inventory and stock. Inventory Management has been defined as having the right inventory, of the right volume, at the right cost.