Identify the following events as right-censored, left-censored, or interval-censored. Provide a justification for your choice.
a.A person without an event who drops out of the study because he/she is too busy to participate.
b.Suppose the event of interest is the presence of tumors in rats. A rat dies during the study period but the death was before a tumor is detected.
c.Suppose the event of interest is menarche. A female entered the study and the menarche had already occurred.
d.Suppose the event of interest is dental caries in children. A healthy child entered the study with no cavities but came back one year later with a cavity.

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The Answer of Identify the following events as right-censored, left-censored, or interval-censored. Provide a justification for your choice.
a.A person without an event who drops out of the study because he/she is too busy to participate.
b.Suppose the event of interest is the presence of tumors in rats. A rat dies during the study period but the death was before a tumor is detected.
c.Suppose the event of interest is menarche. A female entered the study and the menarche had already occurred.
d.Suppose the event of interest is dental caries in children. A healthy child entered the study with no cavities but came back one year later with a cavity.

Identify the Following Events as Right-Censored, Left-Censored, or Interval-Censored