## Question

###### 4173 Dentists' use Of laughing gas According to the American Dental Association; 60% Of all dentists use nitrous oxide in their practice. If x equals the number of dentists in random sample of five dentists who use laughing gas in practice; then the probability distribution of x isp(x) 0102 0768 2304 3456 2592 .0778Verify that the probabilities for x Sum to 1. b. Find P(x 4)_ Find P(x < 2). d. Find P(x z 3). e Find p E(x) and practically interpret this value:

4173 Dentists' use Of laughing gas According to the American Dental Association; 60% Of all dentists use nitrous oxide in their practice. If x equals the number of dentists in random sample of five dentists who use laughing gas in practice; then the probability distribution of x is p(x) 0102 0768 2304 3456 2592 .0778 Verify that the probabilities for x Sum to 1. b. Find P(x 4)_ Find P(x < 2). d. Find P(x z 3). e Find p E(x) and practically interpret this value:

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