C11 (Binomial Distribution)

Question 1

pascal’s triangle

Answer 1

Question 2

find the coefficient of 𝑥⁵ in
(3𝑥+4)¹²

Answer 2

Question 3

expand fully (2x + 3y)⁴

Answer 3

Question 4

conditions for a binomial distribution

Answer 4

set number of independent trials
2 possibilities (success or failure)

Question 5

binomial distribution notation

Answer 5

Question 6

binomial distribution formula
P(X = r) =

Answer 6

replace k with r

Question 7

X~B(5, 0.3)
P(X > 3)

Answer 7