You decided to conduct a survey of families with five children. You are interested in counting the number of girls (out of five children) in each family. Is this a random variable? A. Maybe B. Cannot be determined C. Yes, it is a random variable D. No, it is not a random variable The correct […]
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Which of the following is NOT a discrete random variable? A. Number of refrigerator sell each day B. Height of dragon fruit as measured each day C. Number of students late in going to school each day D. Number of people went to the doctor from Monday to Friday The correct answer and explanation is
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In C3 plants the conservation of water promotes: photorespirationphotosynthesisa shift to C4 photosynthesisthe light reactionsthe opening of stomata The correct answer and explanation is : The correct answer is photorespiration. In C3 plants, the process of photorespiration occurs as a response to water conservation. Photorespiration is an inefficient process that occurs when the enzyme RuBisCO,
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Which of the following statements about passive transport is FALSE? Substances move down their electrical or chemical gradient. An example is diffusion through cell membranes. It requires protein channels or gates in the cell membrane. It does not require energy input. Substances move down their concentration gradient. An example is facilitated diffusion through membrane proteins.
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Which of the following statements about diffusion is false? A In diffusion, molecules move from areas of greater concentration to areas of lesser concentration. B Diffusion is a random process. C Diffusion depends on the intrinsic kinetic energy of molecules. D Diffusion continues until the concentrations are in equilibrium. E Simple diffusion depends upon specific
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Enough of a monoprotic acid is dissolved in water to produce a 0.0192 M solution. The pH of the resulting solution is 2.53. Calculate the Ka for the acid. The correct answer and explanation is : To calculate the acid dissociation constant (Ka) for the monoprotic acid, we need to use the given concentration of
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Which of the following is NOT a discrete random variable? A. Number of refrigerator sell each day B. Height of dragon fruit as measured each day C. Number of students late in going to school each day D. Number of people went to the doctor from Monday to Friday The correct answer and explanation is
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The Brown-Peterson task was used to assess the of short-term memory. a. capacity b. function c. accessibility d. duration The correct answer and explanation is : The correct answer is d. duration. Explanation: The Brown-Peterson task was a psychological experiment designed to assess the duration of short-term memory. It was developed by psychologists Brown and
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Which of the following variable is discrete random variable? A. The amount of unleaded gasoline in a Suzuki car B. The temperature of a cup of coffee served at a restaurant. C. The number of boys in a randomly selected three-child family D. The average amount spent on water bill every month of December by
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Which of the following is discrete random variable? a. Jerwin is 165 cm tall b. Jerwin has three sisters c. Jerwin weighs 68 kilograms d. Jerwin ran 500 meters in two minutes The correct answer and explanation is : The correct answer is b. Jerwin has three sisters. Explanation: A discrete random variable is a
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