What is the probability the age of a mosquito randomly selected will have 124.2 hours old)? A. 0.00 b. 1.00 c. approximately 12.4% d. contained in the probability interval between 0.2 and 0.4. 2. The function that defines the probability distribution of a continuous random variable is a a. normal function b. uniform function c. either normal of uniform depending on the situation d. probability density function 3. For the standard normal probability distribution, the area to the left of the mean is a. -0.5 b. 0.5 c. any value between 0 to 1 d. 1 4. Which of the following is not a characteristic of the normal probability distribution? A. symmetry b. The total area under the curve is always equal to 1. c. 99.72% of the time the random variable assumes a value within plus or minus 1 standard deviation of its mean d. The mean is equal to the median, which is also equal to the mode. 7. Which of the following is not a characteristic of the normal probability distribution? A. symmetry b.
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