Answer:
0.5
Step-by-step explanation:
Given that height of 7 year old children are normally distributed with mean =49 inches and std deviation = 2inches
Brenda is 50 inches tall
This means her X score is 50
To convert this X score to Z score we use the formula given below
Here we know all the values of x, mu and sigma
Just substitute
Z score
=
Thus Z score of Brenda is 0.5
Answer:
Radius is ~2.26, Surface Area is ~159.89
IDK what you mean by 144(3.14), so I just used 144 as volume.
For 1 bags of leaves
= $15/5
= $3
Martin can earn $3 for each bag
so,
For 24 bags of leaves
= $3 x 24
= $72
Answer:
-6
Step-by-step explanation:
3(-4) = -12
-2(-3)= 6
-12+6= -6
the 2 is in the thousands place so we look at the next digit which is 7
7 is 5 or above so we give the 2 a shove or round it up to 3
6,813,000