Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?
a. approximately one hour
b. approximately 98 minutes
c. approximately 75%
d. approximately 48 minutes

option (b) Approximately 98 minutes

Explanation:

Given:

Average arrival rate, λ = 6 per 8 hour or  = 0.0125 / minute

Service Rate, μ =  = 0.02/min

Standard Deviation = 20 minutes

Now,.

Utilization Rate, ρ =

or

=

= 0.625

and,

Number of people in Queue =

or

=  

= 0.6042

and,

Waiting in the Queue =

=  

= 48.33  minutes

Thus,

Waiting Time in Office = Wait in the Queue +

= 48.33  minutes +

= 48.33 + 50

= 98.33 minutes

hence, the answer is option (b) Approximately 98 minutes

being born in poverty would limit the people's chances, opportunities and benefits.

this happen because of several things, such as:

- poor people tend to gain less access to good education and nutrition. this mean that their chance to obtain high paying jobs would also be limited.

- poor people tend to socialize with other poor people while the rich tend to socialize with other rich people. this means that simply throguh their social circle, rich people would have more business opportunities compared to the poor people.

- rich people tend to have more capital in their disposal. this would benefit them in business since it is far easier for them to fund their business operation compared to poor people.

answer; tech (a) is correct;