Find the indicated probability.f(x) = 
; [0, ?), P(1 ? x ? 5)
A. 0.2078
B. 0.4675
C. 0.3117
D. The function f(x) is not a probability density function.
Answer: C
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The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.2%. Assuming a Malthusian growth model, find the world population in 29 years. ? Please enter your answer as a number of billions without the units, rounded to two decimal places.
Fill in the blank(s) with the appropriate word(s).
For the given quadratic equation, use the discriminant to determine the number and type of solutions.4x2 + 8x + 4 = 0
A. Two nonreal complex B. Two real C. One real
Identify whether the average described is a mean, median, or mode.The physics teacher grades on a curve. She gives A's to students whose scores are in the top 10%, B's to those whose scores fall in the next 20%, Fs to those with scores in the bottom 10%, Ds to the next 20%, and those with average scores get a C.
A. Mean B. Median C. Mode