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If a person is randomly selected, find the probability that his or her birthday is in October.
Ignore leap years.

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Karol A.
Karol A.Lv10
31 Mar 2021
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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

The probability that a randomly selected person has high blood pressure (the event H) is p(H)=0.2 and the probability that a randomly selected is a runner (the event R) is P(R)=0.4. The probability that a randomly selected person has blood pressure and is a runner is 0.1. Find the probability that a randomly selected person is a runner, given that he has high blood pressure.

(a) 0

(b) 0.25

(c) 1

(d) 0.50

(e) 0.17

(f) None of the above

Determine whether the events E and F are independent or dependent. Justify your answer.

E: A person going into debt.

F: The same person having a credit card.

A.) E and F are dependent because going into debt has no effect on the probability of a person having a credit card.

B.) E and F are dependent because having a credit card can affect the probability of a person going into debt.

C.)E and F are independent because going into debt has no effect on the probability of a person having a credit card.

D.) E and F are independent because having a credit card has no effect on the probability of a person going into debt.

E: A randomly selected person finding cheese revolting.

F: Another randomly selected person finding cheese delicious.

A.) E can affect the probability of F, even if the two people are randomly selected, so the events are dependent.

B.) E cannot affect F because "person 1 finding cheese revolting" could never occur, so the events are neither dependent nor independent.

C.) E can affect the probability of F because the people were randomly selected, so the events are dependent.

D.) E cannot affect F and vice versa because the people were randomly selected, so the events are independent.

Find the probability that a randomly selected representative is female. Find the probability that a randomly selected senator is female. 

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