Answer:

And we want to find the following probability:

And for this case we can use the cumulative distribution given by:

And for this case if we use this formula and the complement rule we have:

Step-by-step explanation:
Let X the random variable who represent the pizza delivery time and we know that the distribution for x is given by:

And we want to find the following probability:

And for this case we can use the cumulative distribution given by:

And for this case if we use this formula and the complement rule we have:

Answer:
every year 1000
Step-by-step explanation:
2000 divided by 2 is 1000 x 5 = 5000 sow every year he gets 1000 dollars
Answer:
B
Step-by-step explanation:
Answer:
im not 100% sure but i pretty sure its 2.
Step-by-step explanation: