Determine probability that selected person is male


The table below describes (approximately) the distribution of a group of 2000 randomly selected adults who were asked if they were in favor of or against cloning.

In Favor Against No Opinion
Male 395 405 100

Female 300 680 120_______

If we were to randomly select one person from this group:

a. Find the probability that the selected person is a male.

b. Find the probability that the selected person is in favor of cloning.

c. Given that the selected person is female, what is the probability that she is in favor of cloning?

d. Given that the selected person has no opinion, what is the probability that the person is male?

e. Find the probability that the selected person is male and is against cloning.

f. Are the events the selected person is female and the selected person has no opinion independent events? Explain.

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Mathematics: Determine probability that selected person is male
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