The Honolulu Advertiser stated that in Honolulu there was an average of 661 burglaries per 100,000 households in a given year. In the Kohola Drive neighborhood there are 323 homes. Let r be the number of homes that will be burglarized in a year. Compute the probability for . Round your answer to the nearest ten thousandth. 0.3969 0.2001 0.0613 0.1743 0.1890
Solution:
given,
average number of burglaries in honolulu = 661
total number householdsin Honolulu = 100000
probability of burglary in Honolulu = 661 / 100000 = 0.00661
total number of homes in Kohola drive = 323
expected value of = 0.00661 * 323 = 2.13503
number of homes that will be burglarized in a year in Kohola = r
probability of burglary can be found with
checking r = {0 , 1, 2, 3} //assuming the missing data
probability of having 0 burglaries = P(0, 2.13503) = 0.1182 //rounded values
probability of having 1 burglary = 0.2524
probability of having 2 burglaries = 0.2695
probability of having 3 burglaries = 0.1918
probability of having not more than 1 burglary = P(0, ) + P(1, ) = 0.3707
the question isn't having complete information, please proceed as shown above with the missing data.
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