12. एक मकान में 100 वाट के चार बल्ब एवं 40 वाट के चार बल्ब प्रतिदिन क्रमशः 4 एवं 6 घंटे जलते हैं। दो पंखे 60 वाट के प्रतिदिन 8 घंटे चलते है । 30 दिन के एक माह के लिए विद्युत ऊर्जा के खर्च की गणना करो। यदि विद्युत दर प्रति यूनिट 5 रूपये है। [विद्युत खर्च 105.6 यूनिट, 528.00 रूपयें]
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- A media personality argues that global temperatures are not rising, because every year an increase is reported such as 0.08 degrees C. The difference from the previous year is less than the margin of error of about 0.15 degrees C, so that difference should be ignored. What is a strong counterarguement? A. Even 0.08 degrees is a lot and thus should be considered. B. The margin of error is just extra information and thus can be ignored. C. The difference with any previous decade is much greater than the margin of error. D. 0.15 - 0.08 is 0.07, which is still an increase and thus should be considered.In a rural area, there is a road that connects location X and location Y, however this road cannot be passed about 50% of the time due to floods. There is another route that goes to location Z. The road from location X to Z is only passable 75% of the time and the road from location Z to Y is only passable 70% of the time. Furthermore, if the road between location X and Z is passable, then the road travelling from Z to Y is passable 80% of the time. If the route from location X to Y to Z is passable, then the route directly from location X to Y is passable 80% of the time. What is the probability of travelling from location X to Y? If during the night a flood makes the road from X to Z impassable, what is the probability that the traveller can still travel from Z to Y? Please answer completely will give rating surelyThe Pine Christmas Tree Farm owns a plot of land with 5000 evergreen trees. Each year, the owner allows retailers of Christmas trees to select and cut trees for sale to individual customers. The farm protects small trees (usually less than 4 feet tall) so that they will be available for sale in future years. Currently, 1500 trees are classified as protected trees, while the remaining 3500 are available for cutting. However, even though a tree is available for cutting in a given year, it may not be selected for cutting until future years. Most trees not cut in a given year live until the next year, but some diseased trees are lost every year. In viewing the Christmas tree operation as a Markov process with yearly periods, we define the following four states: (1) Cut and sold, (2) Lost to disease, (3) Too small for cutting, (4) Available for cutting but not cut and sold.The following transition matrix is appropriate: States (1) (2) (3) (4) (1) 1 0 0 0 (2) 0 1 0 0 (3) 0.1 0.15…
- d,e only Last 2 parts ,plz asap will definitely upvoteThere are 28 students in a class who want to be members in the school 's physics, math and literature clubs having only 6,8 and 10 open seats respectively. Sadly, some of the students will not be able to join any club. In how many ways can the students become members of the different clubs to their full capacity?According to http://www.gasandoil.com/goc/news/ntl50398.htm , accessed on Feb 2, 2005, “17-12-04 Jamaica has found signs of oil in 10 exploratory wells drilled into deep underground structures. Now it's come to Houston looking for oil companies willing to help the island nation, which depends heavily on tourism, bauxite and alumina, to become the world's next oil and natural gas producer. Hopeful Jamaican officials traveled to Houston promoting the nation's first formal license round, offering 22 offshore blocks and four on-shore blocks. "There are plenty of reserves yet to be found -- exploration in new frontiers is now warranted," said Raymond Wright of the Petroleum Corporation of Jamaica, reflecting on the world's supply dilemma. Oil explorers order seismic tests to determine whether oil is likely to be found in a certain drilling area. These seismic tests have a known reliability: When oil exists the tests indicate so 85% of the time and when oil does not exist the…
- Solve this question with Equipment Replacement MethodAccording to the American Red Cross, O positive is the most common blood type. Approximately 45% of the U.S. population has type O blood. However, type O is routinely in short supply and in high demand by hospitals—both because it is the most common blood type and because type O negative blood, in particular, is the universal blood type needed for emergency transfusions. The local American Red Cross is holding a blood drive. How many donors should they expect to collect from until they get a donor with type O blood? What is the probability that the first donor with type O blood occurs on the mean of the distribution? Round your answer to the nearest hundredth if necessary. The American Red Cross had 75 donors show up to their drive and donate blood. How many donors would you expect to have type O blood? The American Red Cross had 75 donors show up to their drive and donate blood. By about how many donors would the expected value for donors with type O blood vary? You find out…Since this has 4 parts, can you help me with A, B, C?
- You have a set of magnetic alphabet letters (one of each of the 26 letters in the alphabet) that you need to put into boxes. For obvious reasons, you don’t want to put two consecutive letters in the same box. What is the fewest number of boxes you need (assuming the boxes are able to hold as many letters as they need to)?A media personality argues that global temperatures are not rising, because every year an increase is reported such as 0.08 degrees C. The difference from the previous year is less than the margin of error of about 0.15 degrees C, so that difference should be ignored. What is a strong counterargument? a) Even 0.08 degrees is a lot and thus should be considered b) the margin of error is just extra information and thus can be ignored c) the difference with any previous decade is much greater than the magin of error d) 0.15-0.08 is 0.07, which is still an increase and thus should be consideredA media personality argues that global temperatures are not rising, because every year an increase is reported such as 0.08 degrees C. The difference from the previous year is less than the margin of error of about 0.15 degrees C, so that difference should be ignored. What is a strong counterargument? A. Even 0.08 degrees is a lot and thus should be considered. B. The margin of error is just extra information and thus can be ignored. C. The difference with any previous decade is much greater than the margin of error. D. 0.15 - 0.08 is 0.07, which is still an increase and thus should be considered.