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 :

First, figure out how long it takes Francis to get one paycheck.
You do this by dividing the number of weeks by the number of paychecks.
12 ÷ 6 = 2
Now, you divide 52 weeks by the time it takes to get one paycheck.
52 ÷ 2 = 26
This means that Francis gets 26 paychecks in 52 weeks.
Answer:
$12
Step-by-step explanation:
Let the original price of bracelet be $ x.

Hence, original price of bracelet is $12.