Answer:
9/20
Step-by-step explanation:
Total trials = 80
Observed successful trials = 36
36/80
= 9/20
The answer is it is a statistic because the value describes a characteristic of a sample.
28 miles
Explanation: 170/3=56.667 which is your hourly rate so to get half of that you divide 56.667/2 which gets you 28.333 and when you round that is 28 therefore in half an hour you will go 28 miles
Answer:
870
Step-by-step explanation:
6190-5320=870
Three to the power of negative four is 81