an assignment about Summation of Integers – using functions

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COSC 111 Assignment 6 1) Summation of Integers – using functions In assignment 5, you were asked to verify the three formulae shown below: a. summation from 1 to N inclusive (N > 1) b. summation from N1 to N2 inclusive (N1, N2 > 1 and Ni < N2) c. summation from N1 to N2 exclusive (N1, N2 > 1 and Ni < N2) For this assignment, you will modify the work done in Assignment 5. Write ONE program that does the following: i. ii. iii. Places each of the summation formula in its own function.. (You can choose one method, - loops or formula - to define your function. You do not have to use both!) Gives the user the option of selecting one of the three summation methods. methods Calls the appropriate function when the choice is made made. Don’t forget to include user validation! Also, be sure to give the user the option of repeating the entire program, so that they can select another method if needed. Extra Credit 1) For your final extra credit, you will create a magic 8 ball. A magic 8 ball is a novelty toy that is designed to answer a simple ‘yes’ or ‘no’ question - i.e. a question for which a typical response would be ‘yes’ or ‘no’. Examples of such questions could be: Will I win the lottery? Am I going to pass this class? Will the Oakland Raiders make it to the playoffs? Your magic 8 ball will consist of 20 (yes, twenty) possible responses. (10 are positive, 5 are neutral and 5 are negative.) Here are the responses: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. It is certain It is decidedly so Without a doubt Yes, definitely You may rely on it As I see it, yes Most likely Outlook good Yes Signs point to yes 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Reply hazy, try again Ask again later Better not tell you now Cannot predict now Concentrate and ask again Don’t count on it My reply is no My sources say no Outlook not so good Very doubtful Write a program that prompts the user to ask a simple yes/no question. Assign the responses above to a number between 1 and 20 (you can adjust the order if you want) and use a random number generator to select a number. Then, output the response corresponding to that number – NOT the number itself. e.g. if the user asks “Will I pass this class” the number generated is 8, output the response “Outlook good.” Your code should have at least one function that performs the tasks of the 8 ball – i.e. selecting the number and outputting a response. You may use void or value returning functions as you wish. As always, give the user the option to ask the magic 8 ball another question. Have fun!
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