It is not binomial random variable , since the number of red cards is unknown in the deck of cards in the starting of experiment.
As given in the question,
Number of cards are unknown.
Number of red cards are unknown in the starting of experiment.
Number of times process done =10
For binomial random variable number of red cards should be known.
Therefore, it is not binomial random variable , since the number of red cards is unknown in the deck of cards in the starting of experiment.
Learn more about binomial random variable here
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Answer:
1/2
Step-by-step explanation:
Other answers ; 0.5,2^-1
For 27) D
For 28) A
Hope that helps!
I think the answer is 384 in^3