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Chapter 12: Q29. (page 796)
One card is randomly drawn from a standard deck of 52 cards. Find the probability.
P(heart or red)
The required probability is .
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Choose the word or term that best completes the sentence.
The sum of probabilities of complements equals .
Which measure of central tendency best represents the data? Justify your answer. Then find the measure.
Sophia keeps track of the ages of students in her class. She wants to best represent the ages of her classmates: 13, 14, 13, 13, 14, 13, 13, 15, 14, 13, 14, 14, 10.
Identify each sample, and suggest a population from which it was selected. Then classify the sample as simple, stratified, or systematic. Explain your reasoning.
The service manager at a car dealership inspects every fifth car to make sure cars are detailed after being serviced.
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, white, blue).
Find the mean, variance, and standard deviation to the nearest tenth for the set of data.
10, 11, 11, 10, 12, 13, 14, 10
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