Answer:
B
Step-by-step explanation:
Variance can be said to be a measure of dispersion for a random sample.
Variance = pq/n
When given the variance, we can find the standard deviation.
Standard deviation = √variance
= √pq/n
Answer:
1.8m²
Step-by-step explanation:
∅= 51× π/180 = 17π/60
area of sector= 1/2 × r²× ∅
= 1/2 × 2²× 17π/60
= 34π/60
= 1.78m²
Answer:
C. 90
Step-by-step explanation:
If x^3 = 729, x = 9.
Then, plug that into x^2 + x
9 ^ 2 + 9 = 81 + 9 = 90
The answe is 1.7x10 exponent 5
