Which expression converts 100 inches per minute to feet per minute?
1 answer:
You might be interested in
The margin of error of the random selection is 0.29
The given parameters are:
--- the sample size
--- the standard deviation
--- the mean
--- the confidence level.
The margin of error (E) is calculated as follows:
So, we have:
The z-value for 90% confidence level is 1.645.
Substitute 1.645 for z
Take square roots
Multiply
Approximate
Hence, the margin of error is 0.29
Read more about margin of error at:
Answer:
84
Step-by-step explanation:
0.5 · 7 · 24
0.5 · 168
84
