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    Exam 7: Introduction to Probability
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    If the First Digit of a Seven-Digit Telephone Number Cannot
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If the First Digit of a Seven-Digit Telephone Number Cannot

Question 176

Question 176

Multiple Choice

If the first digit of a seven-digit telephone number cannot be a 0 or 1, what is the probability that a number chosen at random will have all seven digits the same? ​


A) If the first digit of a seven-digit telephone number cannot be a 0 or 1, what is the probability that a number chosen at random will have all seven digits the same? ​ A)    B)    C)    D)    E)
B) If the first digit of a seven-digit telephone number cannot be a 0 or 1, what is the probability that a number chosen at random will have all seven digits the same? ​ A)    B)    C)    D)    E)
C) If the first digit of a seven-digit telephone number cannot be a 0 or 1, what is the probability that a number chosen at random will have all seven digits the same? ​ A)    B)    C)    D)    E)
D) If the first digit of a seven-digit telephone number cannot be a 0 or 1, what is the probability that a number chosen at random will have all seven digits the same? ​ A)    B)    C)    D)    E)
E) If the first digit of a seven-digit telephone number cannot be a 0 or 1, what is the probability that a number chosen at random will have all seven digits the same? ​ A)    B)    C)    D)    E)

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