The first answer is going to be 15.42 (so b) and the second is going to be 10.67 (so a)
It would be A because -2 times +6 equals -12
Considering a discrete distribution, it is found that the expected number of new employees to be hired by the airline is of 446.16.
<h3>What is the mean of a discrete distribution?</h3>
The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.
In this problem, considering the situation described in the text, the distribution is given by:
Hence, the expected value is given by:
E(X) = 0.37(867) + 0.63(199) = 446.16.
More can be learned about discrete distributions at brainly.com/question/24855677
Answer:
D
Step-by-step explanation:
-4 * -6 is -34
add 2 and you have -24
