What type of random variable has only two possible outcomes, ...

[mcmcdaniel]

  What type of random variable has only two possible outcomes, success and failure?
 

  a.a Bernoulli random variable
  b.all random variables
  c.a continuous random variable
 

d.a probability random variable
 
 

Question 2

  How many three-digit area codes are possible if the only restriction is that the first number cannot be zero?
 

  a.3
  b.900
  c.729
 

d.1000
 
 

[bpool94]

Answer to Question 1

correct: a

Answer to Question 2

correct: b

[mcmcdaniel]

Thanks for the timely response, appreciate it

[parshano]

Wow, this really help