In a certain school, the probabilities of the number of students who are reported tardy are shown
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In a certain school, the probabilities of the number of students who are reported tardy are shown in the following table:
What is the expected number of tardies (rounded to two decimal places)?
Transcribed Image Text:
Number tardy: Probability: 0 1 0.15 0.25 2 0.31 3 0.21 4 0.08
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The expected number of tardies sometimes known as the expected value is a measure of the central t...View the full answer
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