Answer:
I feel like it b hope it correct though
<span>2x + 5 is your answer </span>
Answer:

And using the probability mass function we got:
Step-by-step explanation:
Let X the random variable of interest, on this case we now that:
The probability mass function for the Binomial distribution is given as:
Where (nCx) means combinatory and it's given by this formula:
And we want to find the following probability:

And using the probability mass function we got:
Answer: 
Step-by-step explanation:

