A rabbit can run short distances at a rate of 35miles per hour.a fox can run short distances at a rate of 21 miles per half hour
2 answers:
Since the fox's rate is based on half an hour and the rabbit's rate is based on a whole hour, you would need to create an equation that is spanned on the same amount of time.
To do this you would, simply, multiply the fox's rate by 2.
21 x 2 = 42
x 2 = 1
42 mi/1 h
A fox can run 7 miles per hour faster than a rabbit can.
I hope this helps!
To do this you would, simply, multiply the fox's rate by 2.
21 x 2 = 42
42 mi/1 h
A fox can run 7 miles per hour faster than a rabbit can.
I hope this helps!
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Given Information:
Mean weekly salary = μ = $490
Standard deviation of weekly salary = σ = $45
Required Information:
P(X > $525) = ?
Answer:
P(X > $525) = 21.77%
Step-by-step explanation:
We want to find out the probability that a randomly selected teacher earns more than $525 a week.
The z-score corresponding to 0.78 from the z-table is 0.7823
Therefore, there is 21.77% probability that a randomly selected teacher earns more than $525 a week.
How to use z-table?
Step 1:
In the z-table, find the two-digit number on the left side corresponding to your z-score. (e.g 0.7, 2.2, 1.5 etc.)
Step 2:
Then look up at the top of z-table to find the remaining decimal point in the range of 0.00 to 0.09. (e.g. if you are looking for 0.78 then go for 0.08 column)
Step 3:
Finally, find the corresponding probability from the z-table at the intersection of step 1 and step 2.
Check the picture below.
if you check your Unit Circle, it'd be there.
if you check your Unit Circle, it'd be there.