Mathematics, 26.02.2020 01:26 thesleepycat
What are the requirements that must be satisfied for a sample to be random? Check all that apply. a. Each individual has an equal chance of being selected. b. The proportions of all subgroups in the sample are equal to their proportions in the population. c. If more than one individual is selected, the probabilities stay constant for each individual selected. d. The sample is drawn without replacement.
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Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
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Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.
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Suppose your sat score is 2040. a college with an average sat score for admintted students of which of these would most likely be your best option?
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What are the requirements that must be satisfied for a sample to be random? Check all that apply. a....
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