Chapter 12: Mitternachtsformel (page 736)
What formula is called Mitternachtsformel (midnight formula) in German?
The answer is:
$$x_1,_2 = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$
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A box contains 8 red chips, 6 blue chips, and 12 white chips. Three chips are randomly drawn from the box and are not replaced.
Determine P(red, red, red).
Choose the word or term that best completes the sentence.
Events that cannot occur at the same time are (mutually exclusive, inclusive).
Which measure of central tendency best represents the data? Justify your answer. Then find the measure.
Jason conducts a survey about the number of pets his friends have. He wants to best represent the number of pets: 0, 2, 1, 2, 4, 0, 2, 3, 1, 2, 1, 2, 3, 2, 4, 3, 10.
Determine the probability of each event if you randomly select a cube from a bag containing 6 red cubes, 4 yellow cubes, 3 blue cubes, and 1 green cube.
P(red)
Identify each sample, and suggest a population from which it was selected. Then classify the type of data collection used.
Federico is trying to decide on a theme and a color scheme for his party. He sends a survey in each invitation, asking guests for their opinions.
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