Answer:
0.25 k miles
Step-by-step explanation:
15 minutes =1/4 of an hour
Distance= speed*time= k (1/4)= (1/4) k= 0.25 k miles
Answer:
1 -5
don't know the answer of q2 and q3
Answer: b
Step-by-step explanation: death normally last 9 min and birth 9 sec
Answer:
Between 55 and 65
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed(bell-shaped) random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
In this problem, we have that:
Mean = 60
Standard deviation = 5
Between what two values do about 68% of the values lie?
By the Empirical Rule, within 1 one standard deviation of the mean. So from 60-5 = 55 to 60+5 = 75.
Answer:
The area under the function 
.
Step-by-step explanation:
We want to find the Riemann Sum for 
with 4 sub-intervals, using right endpoints.
A Riemann Sum is a method for approximating the total area underneath a curve on a graph, otherwise known as an integral.
The Right Riemann Sum is given by:
where 
From the information given we know that a = 1, b = 3, n = 4.
Therefore, 
We need to divide the interval [1, 3] into 4 sub-intervals of length 
:
![\left[1, \frac{3}{2}\right], \left[\frac{3}{2}, 2\right], \left[2, \frac{5}{2}\right], \left[\frac{5}{2}, 3\right]](https://tex.z-dn.net/?f=%5Cleft%5B1%2C%20%5Cfrac%7B3%7D%7B2%7D%5Cright%5D%2C%20%5Cleft%5B%5Cfrac%7B3%7D%7B2%7D%2C%202%5Cright%5D%2C%20%5Cleft%5B2%2C%20%5Cfrac%7B5%7D%7B2%7D%5Cright%5D%2C%20%5Cleft%5B%5Cfrac%7B5%7D%7B2%7D%2C%203%5Cright%5D)
Now, we just evaluate the function at the right endpoints:
Next, we use the Right Riemann Sum formula
