Answer:
On 3 gallons, he could travel 75 miles
Step-by-step explanation:
50 / 2 = 25 miles per gallon
25 * 3 = 75miles
It D machinery. It says it on the bottom of the problem but for further explanation, a mail room can be found in some but it’s more in offices than factories, a barn is obviously wrong, and cafeteria is only in some not all but all factories have machinery used to make the item they produce.
Answer:
512
Step-by-step explanation:
5.12 converted to a fraction is 512/100
Answer:
And the 90% confidence interval would be between [566.80 and 579.20]
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=22 represent the sample standard deviation
n=36 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence level is 0.90 or 90%, the significance would be 
and 
, and the critical value for this case would be 
And replacing we got:
And the 90% confidence interval would be between [566.8033 and 579.1967]
Answer: b
Step-by-step explanation: 600 is the total so, just do 10x and 12
