Answer:
We need a sample size of 600 or higher in order to make us 95 percent confident that the sample mean bolt length is within .02 inches of the true mean bolt length
Step-by-step explanation:
We have that to find our 
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of 
.
So it is z with a pvalue of 
, so 
Now, we find the margin of error M as such
In which 
is the standard deviation of the population and n is the size of the sample.
How many bolts should be sampled in order to make us 95 percent confident that the sample mean bolt length is within .02 inches of the true mean bolt length?
We need a sample size of n or higher, when 
. So
We need a sample size of 600 or higher in order to make us 95 percent confident that the sample mean bolt length is within .02 inches of the true mean bolt length
Answer:
1/6
Step-by-step explanation:
m = y2-y1/x2-x1
m = 0-(-3)/14-(-4)
m = 0+3/14+4
m= 3/18
m = 1/6
Therefore, the slope of the line is 1/6.
so your example can work as -1(x+10), factoring out coefficients usually pertains to finding the highest number (and variable) that an equation can be multiplied by, note that a variable can work the same 2x^2(x+2) is the same as 2x^3+4x^2
Answer:
[In Picture]
Step-by-step explanation:
The relation is a function since there is one value of y for every value of x.
I hope you mean this...
Step-by-step explanation:
eso es cierto y correcto por supuesto, es tan obvio
