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b. Researchers need at least 50 people with this type of colorblindness, so they randomly select 600 people for a study of traffic-signal perceptions. Estimate

b. Researchers need at least 50 people with this type of colorblindness, so they randomly select 600 people for a study of traffic-signal perceptions. Estimate the probability that at least 50 people cannot distinguish between red and green. Is the result high enough sothat the researchers can be very confident of getting at least 50 people with red and green colorblindness?

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