Finally, let us talk about 6 digit PIN numbers. (All entries are 0-9). a) In how many ways can we make a PIN number to ensure we repeat at least one digit? b) Compute the number of PIN numbers which contain exactly 3 zeros.

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Q: TIMTBF TIMTBF -T/MTBF e e T/MTBF 0.10 .9048 2.60 .0743 5.10 .0061 0.20 .8187 2.70 .0672 5.20 .0055 0...

A: Given: Mean of exponential distribution = 20000 Lamda λ=120000=0.00005  

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Q: The probability of selecting a letter worth 4 points is (Type an integer or a simplified fraction.)

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Q: 4. The average ticket for a basketball game is P400. Adding cost and fare, the average cost for a fa...

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