Customers arrive at a bakery at an average rate of 6 per

Assignment Help Basic Statistics

Customers arrive at a bakery at an average rate of 6 per half-hour. Each customer spends an average of $2.50.

a) What is the probability that exactly 3 customers will arrive in the next 10 minutes?

b) What is the probability that at least 3 customers will arrive in the next 10 minutes?

c) What is the expected amount of money the bakery will make in the next 10 minutes?

d) What is the variance in the amount of money that the bakery will make in the next 10 minutes?

There is a certain disease in america which is very rare : there is a certain disease in america which is very rare. the probability of a person having the disease is 1 in

The wolf pack needs to kill 3 large animals in order to : a wildlife study has found that a wolf pack is successful in killing one large animal for every 12 that it chases.a

The angle f1 makes with the positive c axis is 30degrees : two forces f1 and f2 with magnitudes 40 and 55 newtons respectively act on an object at the origin. the angle f1 makes

You are picking a bouquet of 20 flowers for your mother at : you are picking a bouquet of 20 flowers for your mother at random from a garden with 25 coneflowers 35 daisies and 42

Customers arrive at a bakery at an average rate of 6 per : customers arrive at a bakery at an average rate of 6 per half-hour. each customer spends an average of 2.50.a what is

A 60 g bullet moving with a speed of 500 ms strikes a 5 kg : a 60 g bullet moving with a speed of 500 ms strikes a 5 kg block moving in the same direction with a speed of 30 ms. if

Approximately 833 of men are colorblind you survey 8 men : approximately 8.33 of men are colorblind. you survey 8 men from the population of large city and count the number who

A 50 kg crate resting on a flat smooth surface is acted : a 50 kg crate resting on a flat smooth surface is acted upon by a horizontal force that varies by the equation f1.5t

James teaches a class of 300 students and only 6 have done : james teaches a class of 300 students and only 6 have done their homework assignment which is due today. he calls on a