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A certain group of welfare recipients receives relief goods with a mean amount of Php 500.00 per week. A random sample of 75 recipients is survived and found that the mean amount of relief goods they received in a week is Php 600 and a standard decision of Php. 50.00. Test the claim at 1% level of significance is not Php 500.00 per week and assume that the population is approximately normally distributed.
Determine the following
Null and alternative hypothesis:
Critical value and rejection region:
Computed test statistic:
Conclusion:
Write a C++ class to represent an Employee. Each employee is given a name, an age, a NIC number, an address, and a salary. Furthermore:
The Employee class should keep track of how many employees (objects) have been created in the system.
Your Employee class should initialize all of its fields via a constructor.
Create function prototypes to set and get an employees zip code.
Declare a print_employee() function that prints all of an employee object's details.
(Whenever possible, use constant functions.)
Explain FIVE ways that imports and exports can benefit a company like Volkswagen
A solution prepared from 0.3 g of an unknown nonvolatile solute and 30 g CCI, has a boiling point of 0.392 °C higher than that pure CCl. What is the molecular weight of the solute?
Create a structure course with some attributes i.e course_ID, course_title, credit_hrs etc.. Then Implement following 5 functions (Known as CRUDS operations which means CREATE, READ, UPDATE, DELETE, SEARCH operations):
1. addAStudent
2. updateAStudent
3. deleteAStudent
4. searchAndDisplayAStudent
5. displayAllstudents
After that, create an array of 5 courses in main function. Create a menu in main function to enable user to select and perform the operations we created above. Program must not exit until and unless user wants to do so.
Write a program to find the product of 2 power numbers if the base and the exponent of these numbers are
provided in the main function, also check that the base of both the power number are the same, as the
product of 2 power numbers can only be calculated if their base is the same. Use pass by reference
mechanism to compute the product of these power numbers then display the result in main function.
Note: Your function should not return a value.
Create an IceCreamCone c++ class with fields for flavor, number of scoops, cone type, and price.
Unless arguments are supplied, flavor defaults to "Vanilla," number of scoops defaults to 1, and
cone type defaults to "Sugar"
The constructor calculates the price based on 75 cents per scoop, with an additional 40 cents for a waffle cone.
Write a program to find the greatest common factor if the two numbers are provided in the main function.
Use pass by value mechanism to compute the greatest common factor and return the result back to the main
function then display the result in the main function.
Write a class named TestScores. The class constructor should accept an array of test scores as its
argument.
The class should have a member function that returns the average of the test scores. If any test
score in an array is negative or greater than 100 it should display a message.
A solution of 30 percent ethanol (C2 H3 OH) by weight has a density of 0.96 g/mL at 25 percent C. Find its molality and molarity?
#339914 on Dec 2023