Electric company problems Homework 1 Assignment: Please submit the attached Homework 1 Problems from Chapters 9 and 10 in Assignments. Due date: Saturday,

Electric company problems Homework 1 Assignment: Please submit the attached Homework 1 Problems from Chapters 9 and 10 in Assignments. Due date: Saturday, 03/02/19, 11:55 pm.This homework is an individual assignment. PLEASE make sure to include your name on top of your submission. Note that you must show details of all calculations and provide complete answers to receive ANY credit. Just providing the answers, without any supporting work, will not graded and will not get any credit.I am giving you almost 15 days to complete homework. You must attach a WORD or EXCEL file that I can print to grade. Handwritten jpeg or scanned files will NOT be accepted. Note that you may copy formulas/problems from the WORD files that I have provided in the lecture notes (or the homework solutions) and substitute your numbers to save some typing time.You are NOT allowed to discuss the homework problems with anybody within or outside the class. Please be aware that the receiving (or giving) of any unauthorized assistance or obtaining (or providing) unfair advantage in any form of academic work is considered cheating. I am required to report violations to the appropriate University authorities. Any usage of any form of Internet search is prohibited for the Homework Assignments. The penalty for plagiarism is an “F” in the course. Homework 1 Problems – Chapters 9 and 10
Problem 1 (8 points). An electric company has taken 12 samples of 400 bulbs each and
found the following proportions of defective bulbs: .03, .01, .02, .01, .02, .03, .02, .01,
.00, .01, .03, and .02.
a. Calculate the control limits for a p control chart.
b. A sample of 200 bulbs has just been taken, and 8 bulbs were found to be defective. Is
the process still in control?
Problem 2 (12 Points) In a control chart application, the Sun Trust bank noticed that the
average daily demand deposit has been running at 109 with an average range of 15 over
the past year.
a. What are the CL, UCL, and LCL for the x and R charts based on a sample size of 6?
b. The demand deposits for the past six days have been 110, 102, 96, 87, 115, and 106.
Compute an average and range for this data. Do the figures for the past six days suggest a
change in the average or range from the past year?
Problem 3 (20 points). A candy store has sold the following number of pounds of candy
for the past three days. Assuming ? = 0.1, complete the following table. You must
provide details of calculations for each entry filled in the table to earn credit.
Period
0
1
2
3
Dt
Ft
300 290
280
309
et
MADt
20
Tracking Signal

Purchase answer to see full
attachment