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23. Differences in temperature that occur between the night and the day are: A. Terrestrial radiation B. Diurnal Variation C. Lapse Rate  

50. With regard to windflow patterns shown on surface analysis charts; when isobars are A. not close together, the pressure gradient force is greater and wind velocities are stronger B close together, the pressure gradient force is greater and wind velocities are stronger C. close together, the pressure gradient force is slight and wind velocities are weaker

49. What is the standard temperature at 10,000 feet? A. +5 degrees C B. -5 degrees C C. -15 degrees C

37. During the life cycle of a thunderstorm, which stage is characterized predominately by downdrafts? A. mature B. dissipating C. cumulus

39. What is an indication that downdrafts have developed and the thunderstorm cell has entered the mature stage? A. precipitation begins to fall from the cloud base B. the anvil top has completed its development C. a gust front forms

38. Which weather phenomenon is always associated with a thunderstorm? A. Supercooled raindrops B. heavy rain showers C. lightning

61. An aircraft which is “certificated for flight in icing conditions” has been tested A. in all known atmospheric conditions. It can be safely flown in any type of icing conditions B. to a specified icing envelope. Conditions may occur outside its capability to prevent or remove ice C. and approved for flight in freezing rain and freezing drizzle

Use the histogram on student financial aid to answer the following question: If two students are randomly selected with replacement, find the probability of the first student getting a Pell Grant and the second student getting a scholarship?

On an ACT or SAT test, a typical multiple-choice question has five possible answers, of which one is the correct choice. If you make random guesses on three such questions what is the probability that you get at least one question correct?

The table below shows the results of clinical trials for pregnancy tests.  Pregnancy Test Results   Positive Test Result (Pregnancy is indicated) Negative Test Result (Pregnancy is not indicated) Total Subject is pregnant 80 5 85 Subject is not pregnant 3 12 15 Total 83 17 100 If three results are randomly selected with replacement, what is the probability of getting at least one positive test result?