Answer:
C. 45 and 141 seconds
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
In this problem, we have that:
Mean = 93 seconds
Standard deviation = 16 seconds
99.7% of running times are approximately between:
By the Empirical rule, within 3 standard deviations of the mean, so between 3 standard deviations below the mean and 3 standard deviations above the mean
3 stnadard deviations below the mean
93 - 3*16 = 45 seconds
3 standard deviations above the mean
93 + 3*16 = 141 seconds
The correct answer is:
C. 45 and 141 seconds
It was reduced because as you can see on the scale the actual picture has larger spaces between the numbers.
Answer:
The paint will not fill the tray by 10.53 cubic inches.
Step-by-step explanation:
We will find the volume of the paint tray and compare it with the volume of the gallon.
Given dimensions are:
Length = 14 inches
Width = 10 inches
Depth = 4 cm or 
inches
The volume is given by = length x width x depth
Volume = 
cubic inches
Volume of 1 gallon is given as = 231 cubic inches
We can see that volume of 1 gallon is more than volume of tray.
Difference = 
cubic inches.
So, the paint will not fill the tray by 10.53 cubic inches.
Answer:
Step-by-step explanation: The domain of the expression is all real numbers except where the expression is undefined
Answer:
Step-by-step explanation:
Income = 12h - 4.5c
h = 8
c = 2
Income = 12*8 - 4.5*2
Income = 96 - 9
Income = 87
