Answer:
Properties of a normal distribution
The mean, mode and median are all equal.
The curve is symmetric at the center (i.e. around the mean, μ).
Exactly half of the values are to the left of center and exactly half the values are to the right.
The total area under the curve is 1.
Step-by-step explanation:
One root belonged to an old tree next to the road, and the other is part of a small tree.
Answer:
4 pencils
Step-by-step explanation:
3*1.45 = 4.35 ---> spent for the pens
( 10 -[ 4.35 + 2.05] ) = money spent on pencils
0.9x= 3.6
x=3.6/0.9 = 4
Answer:
what is this for?
Step-by-step explanation:
BTW: 7th graders
Answer:
7/8
Step-by-step explanation:
No probability numbers have been assigned to the branches, so there is insufficient information.
We note that "at least one head" includes all 7 branches above the last one (which is all tails). If the probabilities are all equal, then ...
p(h > 0) = 7/8
