Think about the expansion for the binomial (2x - y2)6.

The first term of this binomial is 2x.

The second term of this binomial is -y2.

What is the correct formula for the fifth term in this binomial expansion?

a 6C4(2x)4(-y2)2
b 6C4(2x)2(-y2)4

c 6C5(2x)(-y2)5
Choose the simplified form of the fifth term of the expansion.
-60x2y8

-30x2y8

30x2y8

60x2y8

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.