1. Identify the pattern and find the next number in the pattern. (1 point)

first answer.. make an induction

YOUR are in Grade 10 ALG 2

Taking Unit 2 Test

THIS IS imperssible

Step-by-step explanation:

The answer is A

Option C

Step-by-step explanation:

Let X be a discrete random variable that counts the number of siblings a randomly selected student has. Then the expected value of X is defined as:

Where is the probability that a randomly selected student has siblings

With

So in this case we know that

#of siblings 0        1        2        3        4         5

probability 0.20 0.65 0.08  0.04  0.02  0.01

Therefore:

The answer is the option C.