Answer: 0.9927
Step-by-step explanation:
We assume that the number of earthquakes that occur in Los Angeles follows normal distribution.
As per given , we have

Sample size : n= 35
Let
be the sample mean.
Now ,

Hence, the probability that the mean of the sample is between 34 and 37.5. is 0.9927 .
Answer:
33.95m
Step-by-step explanation:
*Cross multiply*
*Divide by sin(60)*
*Solve*

1: Its B
4: Its D
Sorry I don't know what how to explain it.
2states(12counties/state)(15cities/county)=360 cities