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The number of outcomes in the sample space for the gender of children
in a family with 7 children
is ...
A) 128 B) 64 C) 256 D) 32

Determine the number of all possible outcomes of guessing the last four digits in a telephone
number if repetition among the four digits is allowed.
A) 10000 B) 5040 C) 1000 D) 720

Ten thousand tickets are sold at 100 SAR each for a car valued at 45000 SAR. What is the expected
value of the gain if a person purchases two tickets?
A) -190 B) -150 C) -165 D) -191