Answer:
4/13 is the answer
total = 4+3+5+1= 13
let a be the event of getting red marbles= total is 4
probability=4/13
Answer:
n = 143
Step-by-step explanation:
To find the value of n, you multiply 13 by 10 because that is the inverse of dividing, and you get 130. Since there is a greater than sign, the answer is 143 because the value of n has to be greater than 130.
Cshlongcongdongbongsonglongaongwong
Answer:
x = ±4
Step-by-step explanation:
Hi there!

Move 16 to the other side

Take the square root of both sides

I hope this helps!
Answer:3.38
Step-by-step explanation:
Count, N: 5
Sum, Σx: 18
Mean, μ: 3.6
Variance, σ2: 11.44
Steps
(10 - 3.6)2 + ... + (2 - 3.6)2
5
=
57.2
5
= 11.44
σ = √11.44
= 3.38