A pizza delivery company classifies its customers by gender and location of resi
ID: 3358364 • Letter: A
Question
A pizza delivery company classifies its customers by gender and location of residence. The research department has gathered data from a random sample of 15271527 customers. The data is summarized in the table below.
Residence Males Females
Apartment 102 221
Dorm 178 224
With Parent(s) 270 59
Sorority/Fraternity House 90 53
Other 69 261
What is the probability that a customer is not female or does not live in an apartment? Express your answer as a fraction or a decimal number rounded to four decimal places
Explanation / Answer
A customer is not Female i.e. he is male :
The toatl numbner of males = 709
No of males does not live in apartment = 709-102 = 607
Probability of male customer does not live in appartment = 607/1527 = 0.3975
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