According to a study conducted by the depart- ment of Pediatrics at the University of California, San Francisco, children who are injured two or more times tend to sustain these injuries during a relatively limited time, usually 1 year or less. Assume the average number of injuries per year for school-age children is two.
- Find the probability of a school-age child sustains two injuries during the year.
- Find the probability of a school-age child sustains two or more injuries during the year.
- Find the probability of a school-age child sustains at most one injuries during the year.
- Calculate the mean and standard deviation for x, the number of injuries per year sustained by a school-age child.
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