Answer:
The area is:
Step-by-step explanation:
The area under the standard normal curve equals the z probability.
We look for the area of the region that is not shaded.
That is, we look:
Then we must find
Looking in the standard normal probability table we have to:
So:
9/10=a/30. and value of a is 27
Answer:
n<2p-4+7k
Step-by-step explanation:
Answer:
Step-by-step explanation:
For , we have two cases:
Therefore, for , we have the following cases:
Solving, we have:
.
Therefore,
18 dude multiply by 2 then subtract 2