The first digit can only range from 1-9, resulting in 9 possible options. The next four digits can range from 0-9, resulting in 10 options for each. Since the last two digits remain the same, they do not affect the sample size. Using the fundamental counting principle, we can find the amount of telephone numbers possible in the following equation.
Answer:
hundreds
Step-by-step explanation:
hundreds because in the hundreds place in the number 62996 there's number 9, which it's greater than 4, so it will add 1 to the thousands and all the numbers in the right will be zero
Answer:
For this case we know that the random variable of interest would be X and the distribution for X is given by:
And by properties of this distribution the expected value for this case is:
And the variance :
Step-by-step explanation:
For this case we know that the random variable of interest would be X and the distribution for X is given by:
And by properties of this the expected value for this case is:
And the variance :
