A survey showed that 72% of adults need correction (eyeglasses, contacts, surgery etc) for their eyesight. If 21 adults are randomly selected , find the probability that at least 20 of them need correction for their eyesight. Is 20 significantly high number of adults requiring eyesight correction? The probability that at least 20 of the 21 adults requiring eyesight correction is _________.
A survey showed that 72% of adults need correction (eyeglasses, contacts, surgery etc) for their eyesight. If 21 adults are randomly selected , find the probability that at least 20 of them need correction for their eyesight. Is 20 significantly high number of adults requiring eyesight correction? The probability that at least 20 of the 21 adults requiring eyesight correction is _________.
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 18T: You attend a karaoke night and hope to hear your favorite song. The karaoke song book has 300...
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A survey showed that 72% of adults need correction (eyeglasses, contacts, surgery etc) for their eyesight. If 21 adults are randomly selected , find the
The probability that at least 20 of the 21 adults requiring eyesight correction is _________.
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