Suppose a mechanic claims that a machine filling bottles with saline solution is not equal to 153 ml, on average. Several of his coworkers do not believe him, so the mechanic decides to do a hypothesis test, at a 1% significance level, to persuade them. He fills 18 bottles, collects the proper data, and works through the testing procedure:

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d

if you get paid hourly because if you get a salary you could work all week and only get paid a certain amount no matter how much you work but if you get paid hourly then you get paid for every minute you worked.

48+y= ?

the y is the variable and the ? could also be a variable  

61.7% of the boys chose fishing