Answer:
2.42
Step-by-step explanation:
standard deviation= sqrt(variance)
Variance=E[X2] - E[X]2
E[X] = sum(X)/n=35/9, so E[X]2 = 1225/81
E[X2] =sum(X2)/n = 189/9 = 170/81
Variance= 476/81
Standard deviation = sqrt(476/81) ~2.42
Answer:
y=5
Step-by-step explanation:
esa es la respuesta
When is cos (x) = 0? <em>at 90° (aka π/2)</em>
Answer: 
Answer:
first one is 0.02 the second is 8
Step-by-step explanation:
Do each equation individually and compare if they are the same end answer in each question. which ever one is unequal than that is the answer
