Question

According to a study conducted by the Department 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. If the average number of injuries per year for school age children is

two, what are the probabilities of these events? (Use R for part a to c)

a)A school-age child will sustain two injuries during the year (Use R).

b)A school-age child will sustain two or more injuries during the year (Use R).

c)A school-age child will sustain at most one injury during the year (Use R)

d) Calculate the mean and standard deviation for x, the number of injuries per year sustained by a schoolage child. (Manual Calculation)

e) Within what limits would you expect the number of injuries per year to fall. (Manual Calculation)

Note: For question (a to c), include a screenshot within your report of the R codes and results from

within the R environment.

Answer 1

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