Assuming that you have created the attributes for the ProductClass mentioned in the previous question, which of the following methods would meet the criteria for updating/mutating the inventory of a product?  Criteria: The method should allow for a parameter capturing the number of items the user wishes to purchase. The method should update the inventory’s “_onHand” attribute mentioned in the previous question.  You don’t need to worry about negative inventory. If the customer orders more than we have on hand, we will place an order with our supplier and fill the order anyway. Which of the following meets the above criteria?

The following six questions are another example showing that classes and objects are an essential part of many software applications. Assume that you found a job as a software engineer for a streaming service. You will be working with movies on a daily basis.

You have an external file named students_data.txt with two columns: name and major, like the following:  Alice,MISBob,FinanceCharlie,MarketingDan,MISEdward,Finance Please complete the code below so that your code can create an object for each student in the “MIS” major. Each blank is 3 pts.  class Student:     def __init__(self, name):         self.__name = nameclass MIS(Student): # Complete the __init__ for MIS subclass, ensuring it inherits from Student, and creating a new attribute “major” def __init__(self, name, major): # Call the __init__ of the superclass [q1] # Set the major attribute using the correct parameter, specifically for this subclass [q2] # Assume that the following main program is in the same script. def main(): students = open(‘students_data.txt’, ‘r’)    student_dict = {} for student in students: ### Explanation: The following code processes student by splitting the first and second element into name and major name, major = student.rstrip(‘\n’).split(‘,’) ### Complete the “if” condition so that this code creates objects only for MIS students [q3] #Create an object, named “stu”, for MIS student (based on the name and major in the current iteration). [q4] #Insert a key-value pair into student_dict, where the key is the name and the value is the stu object. [q5]main()

Which of the following is NOT part of the definition of a “population?” 

Which of the following is NOT a reason that natural selection cannot fashion perfect organisms?

Individual organisms can evolve.

Which of the following is NOT a condition for Hardy-Weinberg Equilibrium?

What is the raw material for evolutionary change?

A small manufacturing system produces parts for sea kayaks in La Jolla, San Diego. The parts arrive from an upstream Poisson process with an arrival rate of 1 part every 5 minutes. All the parts that enter the system must go through a station which houses 2 prefabrication machines. A part, though, only requires to be processed by 1 of the 2 machines during prefab. The prefab time is exponentially distributed with the same mean for each of 8 minutes. If all the machines at the prefab station are busy, then the part will wait for the next available machine. [HINT: The machines do NOT break down and thus do not need to be repaired]. a. What is the probability that both machines are idle? Please round your answer to 3 decimal places (e.g. #.###). [PartA]  (4pts) b. What is the overall system utilization? [PartB] (2pts) c. What is the average number of parts waiting for prefab? [PartC] (2pts) d. A floor technician suggests that the system utilization rate should be lower (less than 30%) if the company wants to maintain the life of the machines and avoid machine failures. Do you think adding a third machine with the same processing rate will achieve that goal? Please show the new utilization rate to support your answer. Please express your answer to 3 decimal places and your asnwer (e.g., #.###, yes or #.###, no) and explain why on your scratch paper. [PartD] (2pts)

TRUE or FALSE: Implicit Enumeration is a procedure for estimating the variance of throughput time in queuing networks.