QUESTION Test the hypothesis, at the 5% level of significance, that the yearly number of earthquakes felt on a certain island has mean 52 if the readings for the past 8 years are 46, 62, 60, 58, 47, 50,59, 49. Assume an underlying Poisson distribution and give an explanation to justify this assumption. ANSWER: […]
QUESTION Problem 1a. A toy manufacturer received a shipment of wheels from two suppliers. Randominspection of 100 wheels from one supplier revealed 6 defectives. Random inspection of100 wheels from the second supplier revealed 11 defectives. Statistically test whether theproportion of defectives is different between the two suppliers at α = 0.05? Include all 5steps.b. Calculate […]
QUESTION 1. Eight percent of all college graduates hired by companies stay with the same company for more than five years. The probability, rounded to four decimal places, which in a random sample of 12 such college graduates hired recently by companies, exactly 2 will stay with the same company for more than five years.2. […]
QUESTION Let the random variable Z have a standard normal distribution.Fill in the blanks. (Give your answers to four decimal places.)a. P(Z⩽1.42) is .b. P(Z2.59) is . e. P(-0.05
QUESTION watch video : http://bevideos.mhhe.com/business/video_library/0077325117/swf/Clip_13.htmlanswer the following questions and answer in 3 paragraphs (make each paragraph a good size) :1st paragraph What role does the Geek Squad play in Best Buys’ customer centricity approach?How does this service affect the consumer’s purchase decision? What are the risks involved?2nd paragraphWhen considering time as an important situational factor, […]
QUESTION The Washington, DC, Metro has some long and deep escalators. The longest continuous escalator is at the Wheaton (Red Line) stop. It is 230 feet long and approximately 140 feet deep. For those who simply ride the escalator (without extra steps), it takes just over 2.5 minutes to complete the journey. However, because many […]
QUESTION 1. Situational Overview: What are the strengths and weaknesses of the RBS brand?2. Past Promotional Events: Analyze the effectiveness of past RBS consumer and trade promotions. How have the promotional strategies impacted sales volume? What kind of return on investment is the company getting for consumer promotions and trade promotions?3. Push vs. Pull: Compare […]
QUESTION *Give all answers to four decimal places.A large lecture theater has 230 seats, 21 of which can accomodate left-handed students. Suppose it is known that 12% of people are left-handed. One class held in the theater has 209 students.(a) Let X be the number of left-handed students in the class. What are the mean […]
QUESTION Background:Performance Drinks, LLC is owned by Dave N. Port. Performance Drinks produces a variety of sports centered drinks. They began operations in 1993 shortly after Mr. Port graduated with his M.B.A. from Davenport University. The company saw early success as sports and fitness nutritional products gained new popularity in the 1990AfA?A??cAf?A???A??1Af?A???A??1s. Financially the company […]
QUESTION Here is the assignment as listed in the course syllabus:Unit IV Article ReviewThe journal article readings for this unit discuss factors that can influence an individualâs perception of risk. Read the articles and in a three to four page discussion paper:1. Summarize the key points of each article.2. Compare and contrast the articlesâ approaches […]