You would do 69sq×3.1416. that gives you 14,957.1576 round it to the nearest hundreth, 14,957.16
An 80% confidence interval is found to be (12, 20). What is the margin of error?
1 answer:
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Answer:
The unit rate in miles per hour = <em>1.4 miles/hr</em>
Step-by-step explanation:
Given that:
Distance walked by Boardman family = Two over five of a mile =
Time taken by Boardman family = Two over seven of an hour =
To find:
The unit rate in the miles per hour = ?
Solution:
Formula for the rate or the speed can be given as:
Putting the values:
So, the unit rate in miles per hour = <em>1.4 miles/hr</em>