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Need help with probability question The door prizes at a dance are ten $10 gift certificates, twenty $20 gift certificates, and five $50 gift certificates.

Need help with probability question
The door prizes at a dance are ten $10 gift certificates, twenty $20 gift certificates, and five $50 gift certificates. The prize envelopes are mixed together in a bag, and five prizes are drawn at random. What is the expected number of $50 gift certificates chosen? O 0.54 1.24 O 1.27 0.71

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