Flip 33/5
3/5 times 5/33
3 times 5 /5 times 33
15/165
Reduce
1/11
Answer:
The average acceleration of the car will be 10 m/s.
Step-by-step explanation:
70 / 7 = 10 m/s.
Answer:
<h2>83.928571428571%</h2>
Step-by-step explanation:
<h3>Convert fraction (ratio) 47 / 56 Answer: 83.928571428571%</h3>
Answer:
538 books should be tested.
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, 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 books should be tested to estimate the average force required to break the binding to within 0.08 lb with 99% confidence?
n books should be tested.
n is found when 
We have that 






Rounding up
538 books should be tested.