Calculate the MTBF assuming that 75 mobile phones were tested for 250 hours each. While testing 7 mobile phones experienced a failure that would be under warranty.
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- prepare a memo to the managing director, summarizing the new safety guidelines that effect the rockingham product line and requesting his authorization for implementation.Please do not give solution in image format thanku Genjeteye, Inc. makes aircraft engines. The mean time to failure has been found to be 100,000 hours and is exponentially distributed. a) What is the failure rate, A, per hour? b) What is the cumulative probability of failure after 10,000 hours or fewer? Between 10,000 and 15,000 hours? c) If Genjeteye wishes to provide a warranty that no more than 5 percent of the units will fail, how many hours of operation without failure should the company guarantee?A department store sells a television set that was a one-year warranty (quality-assurance) that covers any product defects. When customers purchase a TV set, they also have the option to purchase an extended three-year warranty that covers any breakage or maintenance. The extended warranty sells for the same amount regardless of whether it is purchased at the same time as the TV set or at some other time. What is the only performance obligation of the department store ?
- For each scenario suggest a control that could be used to reduce the risk. Entering negative values for order quantity in a sales order Selling to a customer with an overdue account Ordering from a non-existent supplier Paying for goods that have not been received Entering an alphanumeric customer ID when the business policy is for numeric customer IDs Misappropriation of goods by receiving staff, who also maintain inventory records Ordering too much of a product 8. You are required to list and explain three advantages of computer-executed control activities compared to manually executed control activities.Lab 2 AP Austin Peay State University CLARKSVILLE TENNESSEE College of Business MGT 5055 Expected Value & Perfect Information Learning Material: Please watch this video. Scenario: A tech startup is considering launching a new product. They can either invest heavily in a full-feature version of the product (High Investment), invest moderately in a basic version (Medium Investment), or decide not to invest at all (No Investment). The market's response to the new product is uncertain. The market could have a Strong response, a Moderate response, or a Weak response. The startup has conducted a preliminary survey, which gives probabilities for each market response. Data (Payoff Table in USD): Decision High Investment Medium Investment No Investment Strong Response Moderate Response Weak Response 1,500,000 400,000 -700,000 700,000 500,000 -200,000 10 0 0 Market Response Probabilities: • Strong Response: 0.3 Moderate Response: 0.5 • Weak Response: 0.2 Assignment Steps: 1. Expected Monetary…Three (3) computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a failure typically takes four hours to fix. What is the availability of the replicated service?
- Which of the following is/are included in “safety needs”, according to Abraham Maslow? a. Protection from economic and physical environment b. Protection from only economic environment c. None of the given options d. Protection from only physical environmentThere is a malfunction in the braking system of a popular car. What is the Consumer Product Safety Commission's responsibility with the malfunction?A supplier regularly ships spare bulbs in bulk to the theater and promises a 95% reliability (lasting at least 100 hours). The theater inspects each incoming shipment of bulbs by lighting 20 bulbs for 100 hours. If two or more bulbs go out during the test, the batch shipment is returned to the supplier. If the bulbs indeed have a 95% reliability, what is the likelihood that a shipment passes the test?( use excel)
- A system consisting of two identical components A& B. (a) Under what conditions does the system fail? (b) Ifthe reliability (i.e. the ability of the system to perform itsintended function satisfactorily) of components A & B are90% and 80%, respectively, under what conditions does thesystem fail?1. Three hundred identical cathode ray tubes (CRTS) placed into service simultaneously on January 1, 1976, experienced the following numbers of failures through December 31, 1988: 1983 Year Number of failures 1984 1985 1986 1987 1988 13 19 16 34 21 38 Assume that there were no failures before 1983. a. Based on these data, estimate the cumulative distribution function (CDF) of a CRT chosen at random. Using the results of part (a), estimate the probability that a CRT chosen at random 13.1 Reliability of a Single Component 753 b. Lasts more than 5 years. c. Lasts more than 10 years. d. Lasts more than 12 years. e. That has survived for 10 years fails in the 11th year of operation.Both alpha and beta are measures of reliability. Both alpha and beta are measures of reliability. True False