Answer:
x(1+x+x^2)
Step-by-step explanation:
Here we have to find the probability
. Now express the probability in terms of standard normal cumulative distribution function. That is
.

Now you can look up the probability from the standard normal tables. Its value is

Answer:
I think its C) 43. Let me know what you get
Answer:
you would figure out the time in either pst or est and find out the time
Step-by-step explanation:
Example=EST
1:10 PM
PST:8:29 PM=11:29PM
SO time spent= 3 hours