Items 1 4 use the following scenario Data were collected on gender and happiness levels of a sample of students A student is selected randomly from the sample summarized in the table Label the item numbers Very Happy Pretty Happy Not too Happy Total Male 42 51 12 105 Female 38 36 10 84 Total 80 87 22 189 Find the probability that the person is very happy or pretty happy Show how you get the probability Find the probability that the person is female and not too happy Show how you get the probability Find the probability of a pretty happy male Show how you get the probability Consider these two events selecting a female and selecting someone who is very happy Are these two events mutually exclusive Why or why not

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Question: Items 1 ~ 4 use the following scenario : Data were collected on gender and happiness levels of a sample of students. A student is

Items 1 ~ 4 use the following scenario: Data were collected on gender and happiness levels of a sample of students. A student is selected randomly from the sample summarized in the table. Label the item numbers.

	Very Happy	Pretty Happy	Not too Happy	Total
Male	42	51	12	105
Female	38	36	10	84
Total	80	87	22	189

Find the probability that the person is very happy or pretty happy. Show how you get the probability.
Find the probability that the person is female and not too happy. Show how you get the probability.
Find the probability of a pretty happy male. Show how you get the probability.
Consider these two events: selecting a female and selecting someone who is very happy. Are these two events mutually exclusive? Why or why not?

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