Answer:
8
Step-by-step explanation:
Answer:
right triangle
Step-by-step explanation:
it wouldn't be obtuse because obtuse is if one of the angles is more than 90 degrees. Plus you can make a box at the bottom corner.
Answer:
0.8041
Step-by-step explanation:
We know that
μ=72 and σ=5
and P(65<X<78)
We can determine the Z value as (X-μ)/σ
P( 65<X<78 )=P( 65-72< X-μ<78-72)


To fine the Z values:

From the standard normal tables:

to find P ( Z<-1.4)

From the standard normal tables:

Therefore


No problem just ask me anything and I will be loved to answer anyone question
Answer:
0.25
Step-by-step explanation:
we have

we know that

substitute

Remember that

so
