Start at -4 and go over to the right 6. - is left and +is right. the answer is 2.
Answer
Sorry! number 12 is 2
Step-by-step explanation:
9!/(8!*(9-8)!)=9
or just use a calculator and use the nCr function
Answer:
C
Step-by-step explanation:
First we find the z-score.
z = (x - μ) / σ
z = (520 - 500) / 60
z = 0.33
Using a calculator or z-score table:
P(z < 0.33) = 0.6293
The probability is approximately 63%. Answer C
