A group of 200 students have been cross classified into the following two way table in terms of gender and pierced ears. A student is to be randomly selecter Toon the grou Pierced Not Pierced 55 57 Female 73 Male 15 a) What is the probability the student selected is male? Give your answer to three decimal places. b)What is the probability the student selected is a male without pierced ears? Give your answer to three decimal places. c)What is the probability the student selected is a female or has pierced ears? Give your answer to three decimal places.

MATLAB: An Introduction with Applications
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A group of 200 students have been cross classified into the following two way table in terms of gender and pierced ears. A student is to be randomly selected from the grou
Pierced Not Pierced
55
57
Female 73
Male 15
a) What is the probability the student selected is male? Give your answer to three decimal places.
b)What is the probability the student selected is a male without pierced ears? Give your answer to three decimal places.
c) What is the probability the student selected is a female or has pierced ears? Give your answer to three decimal places.
d) What is the probability the student selected is neither female nor has pierced ears? Give your answer to three decimal places.
e) Given the student selected does not have pierced ears, what is the probability the student selected is male? Give your answer to three decimal places.
f) Is the following statement true or false? The event that the student selected is male is independent of the event that the student selected does not have pierced ears.
O False
O True
Transcribed Image Text:A group of 200 students have been cross classified into the following two way table in terms of gender and pierced ears. A student is to be randomly selected from the grou Pierced Not Pierced 55 57 Female 73 Male 15 a) What is the probability the student selected is male? Give your answer to three decimal places. b)What is the probability the student selected is a male without pierced ears? Give your answer to three decimal places. c) What is the probability the student selected is a female or has pierced ears? Give your answer to three decimal places. d) What is the probability the student selected is neither female nor has pierced ears? Give your answer to three decimal places. e) Given the student selected does not have pierced ears, what is the probability the student selected is male? Give your answer to three decimal places. f) Is the following statement true or false? The event that the student selected is male is independent of the event that the student selected does not have pierced ears. O False O True
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