MATH 221 (Math221)

Math221 Wk5 Homework From a random sample of 58 businesses, it is found that the mean time the owner spends on administrative issues each week is 21.69 with a population standard deviation of 3.54. What is the 95% confidence interval for the amount of time spent on administrative issues? Homework Help: 5VA. Confidence intervals with population standard deviation (Links to an external site.) (1:42) 5DA. Concept and meaning of confidence intervals (Links to an external site.) (DOCX) (20.71, 22.67)...

(CO 2) A random selection from a deck of cards selects one card. What is the probability of selecting an ace? 0.025 Correct Answer 0.077 0.50 You Answered 0.250 See text page 134 Question 2 0 / 2 pts (CO 2) What is the sample space to responses to a question whose answers are Yes or No, along with a question on location with possible answers of North, South, East, or West? Correct Answer (Yes, North)(Yes, South)(Yes, East)(Yes, West)(No, North)...

WEEK 6: HOMEWORK Due Apr 14 at 11:59pm Points 40 Questions 20 Available Apr 7 at 12am ­ Apr 27 at 11:59pm 21 days Time Limit None Allowed Attempts Unlimited INSTRUCTIONS Open to work on the homework set. You can re­do this assignment as often as you need. Be sure to have the Week 6 spreadsheet available to help with the calculations. It is provided in Week 6: Resources. TAKE THE QUIZ AGAIN ATTEMPT HISTORY Attempt Time Score LATEST Attempt 1 less than 1 minute 0 out o...

WEEK 6: HOMEWORK Due Apr 14 at 11:59pm Points 40 Questions 20 Available Apr 7 at 12am ­ Apr 27 at 11:59pm 21 days Time Limit None Allowed Attempts Unlimited INSTRUCTIONS Open to work on the homework set. You can re­do this assignment as often as you need. Be sure to have the Week 6 spreadsheet available to help with the calculations. It is provided in Week 6: Resources. TAKE THE QUIZ AGAIN ATTEMPT HISTORY Attempt Time Score LATEST Attempt 1 less than 1 minute 0 out o...

MATH 221 Week 8 Final Exam (2)Check at the end of the document to see the answers 1 2 3

I could classify the employees as qualitative or quantitative data. Qualitative data is data that can be observed but not measured. In example, colors, place of birth, and appearance. In this case the gender of the employees can be used. Quantitative data is data which can be measured. In example, length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, and members. In this example the ages, percentages, and salaries of the employees can be used. Simi...

(CO 4) Consider the following table: Age Group Frequency 18-29 983 30-39 784 40-49 686 50-59 632 60-69 541 70 and over 527 If you created the probability distribution for these data, what would be the probability of 40-49? 0.237 0.425 0.189 Correct! 0.165 Question 2 2 / 2 pts (CO 4) Consider the following table of hours worked by part-time employees. These employees must work in 5 hour blocks. Weekly hours worked Probability 5 0.06 15 0.61 20 0.18 25 0.15 Find the mean of this variable. 18....

Complete the following by writing a response to three of the four following questions. For each question, your response should … 2 or more paragraphs. Make it clear which question you are answering and use correct grammar throughout. If you answer all four questions, only the first three provided will … graded. Your responses are to … based on your own experiences and insights. Do not use materials and examples from other sources, including the Internet. Students have used examples from o...