The second option: “Keep track of the number of heads flipped in 50 flips. These represent the number of females born today.”
One flip represents one baby born, and one head represents a female birth, so the total number of heads out of 50 flips simulates finding the ratio of females in a sample of 50 births.
Times -7 by everything in the parentheses. so
-7 times 5y=-35y
-7 times -2u=14u
-7 times -5 = 35
therefore 35y+14u+35
I think the surface area would be 148.31mm squared
See the attachment below
Thanks.
x + 1/2 = 3/4
set denominators equal:
x + 2/4 = 3/4
-2/4 for both sides:
x = 1/4
there you go! hope this helps!
Answer:
0.9562
Step-by-step explanation:
Binomial probability is mathematically expressed as:
![P(X=x)={n\choose x}p^x(1-p)^{n-x}](https://tex.z-dn.net/?f=P%28X%3Dx%29%3D%7Bn%5Cchoose%20x%7Dp%5Ex%281-p%29%5E%7Bn-x%7D)
Given that p=0.18, n=5 , is calculated as:
![P(X\leq 2)=P(0)+P(1)+P(2)\\\\={5\choose 0}0.18^0(1-0.18)^5+{5\choose 1}0.18^1(1-0.18)^4+{5\choose 2}0.18^2(1-0.18)^3\\\\=0.3707+0.4069+0.1786\\\\=0.9562](https://tex.z-dn.net/?f=P%28X%5Cleq%202%29%3DP%280%29%2BP%281%29%2BP%282%29%5C%5C%5C%5C%3D%7B5%5Cchoose%200%7D0.18%5E0%281-0.18%29%5E5%2B%7B5%5Cchoose%201%7D0.18%5E1%281-0.18%29%5E4%2B%7B5%5Cchoose%202%7D0.18%5E2%281-0.18%29%5E3%5C%5C%5C%5C%3D0.3707%2B0.4069%2B0.1786%5C%5C%5C%5C%3D0.9562)
Hence, the probability of no more than 2 successes in 5 trials is 0.9562