Answer:
The answer for part B is I think 92 and 92. And for part A she could get 97 and 97 as the test average would be 92.
Step-by-step explanation:
I kinda explained it in the answer yeah but I hope that helps.
Answer:
C. 6x+3
Step-by-step explanation:
Because 3 is outside of the parentheses so it has to multiply everything inside the parentheses.
3*2x is 6x.
3*1 is 3.
This results in 6x+3.
Answer:
a
Step-by-step explanation:
I HOPE THIS HELPED!
2100 calories
We find this by multiplying 600 times 3.5
An easy way to do this is multiplying 600 times 3 (1800) and the adding half of 600 (300) to your number for the final number of 2100 calories.
Answer:
Mean=

Variance=

Step-by-step explanation:
Given is the uniform distribution
x=0.15,y=0.19
where x and y are lower and upper values.
mean=(x+y)/2
mean=(0.19+0.15)/2
Mean=0.17 mm
Now using equation
variance =
For variance take a=15,b=19
Variance=
Variance=2
