urgent, please help and thanks!! 5. Government data assign a single cause for ea

Question

urgent, please help and thanks!!

5.

Government data assign a single cause for each death that occurs in the United States. The data show that, among persons aged 15 to 24 years, the probability is 0.41 that a randomly chosen death was an accident, 0.16 that it was a homicide, and 0.15 that it was a suicide.

a. What is the probability that a death was either an accident, a homicide, or a suicide?

b. What is the probability that the death was due to some other cause?

4. A large study of German children of Caucasian descent found that 46% have brown hair and that 25% have freckles Nonetheless, we can't conclude that because (0.46)(0.25) = 0.115 about 11.5% of German children of Caucasian descent are brown-haired with freckles. Why not? eBook Having brown hair and having freckles are not necessarily disjoint events. Having brown hair and having freckles are not necessarily independent events. Having brown hair and having freckles are definitely disjoint events Having brown hair and having freckles are definitely independent events

Explanation / Answer

Answers:

( 4 ) Option 1

Having brown hair and having frackles are not necessarily disjoint events

( 5 )

Given,

Probability of deaths due to accidents = 0.41

Probability of deaths due to homicide = 0.16

Probability of deaths due to suicide = 0.15

( a )

The probability that a death was either an accident, a homicide, or a suicide = 0.41 + 0.16 + 0.15

= 0.72

( b )

the probability that the death was due to some other cause = 1 - 0.72

= 0.28

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