4.8.4 raw materials are studied for contamination. suppose that the number of particles of contamination per pound of material is a poisson random variable with a mean of 0.02 particle per pound. round the answers to the nearest integer. (a) what is the expected number of pounds of material required to obtain 14 particles of contamination? enter your answer in accordance to the item a) of the question statement (b) what is the standard deviation of the pounds of materials required to obtain 14 particles of contamination?

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a