Answer:
77
Step-by-step explanation:
Yes it's A cos that's the correct answer
Answer: The P(e or f) is the P(e) + P(f) when they are disjoint events.
Disjoint events are events that are independent of each other.
Imagine rolling a die. The probability of rolling a 1 is independent of rolling a 2. Both of these probabilities are 1/6.
To find the probability of rolling either a 1 or 2, P(1 or 2) we simply add the 2 probabilities together.
Answer:
3
Step-by-step explanation:
Answer: 1848 feet per minute
<u>Step-by-step explanation:</u>
![\dfrac{21\ miles}{1\ hour}\times \dfrac{1\ hour}{60\ minutes}\times \dfrac{5280\ feet}{1\ mile}\quad =\dfrac{21\times 5280\ feet}{60\ minutes}\quad =\dfrac{110,880\ feet}{60\ minutes}\\\\\\=\large\boxed{1848\ feet\ per\ minute}](https://tex.z-dn.net/?f=%5Cdfrac%7B21%5C%20miles%7D%7B1%5C%20hour%7D%5Ctimes%20%5Cdfrac%7B1%5C%20hour%7D%7B60%5C%20minutes%7D%5Ctimes%20%5Cdfrac%7B5280%5C%20feet%7D%7B1%5C%20mile%7D%5Cquad%20%3D%5Cdfrac%7B21%5Ctimes%205280%5C%20feet%7D%7B60%5C%20minutes%7D%5Cquad%20%3D%5Cdfrac%7B110%2C880%5C%20feet%7D%7B60%5C%20minutes%7D%5C%5C%5C%5C%5C%5C%3D%5Clarge%5Cboxed%7B1848%5C%20feet%5C%20per%5C%20minute%7D)