In a normal distribution, what percent of the data lie above 1 standard deviation of the mean? Round your answer to one decimal place.
a. 13.6%
b. 27.2%
c. 31.8%
d. 15.9 %
e. 4.6%
d. 15.9 %
Mathematics
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Provide an appropriate response.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds.
A. 221.5 feet B. 145.5 feet C. 291 feet D. 162 feet
Mathematics
Evaluate. Round dollar amounts to the nearest cent and other answers to the nearest thousandth when necessary.130ert for t = 6 and r = 2%
A. $181.43 B. $2611.12 C. $146.57 D. $353.38
Mathematics
What is the circumference of a circle if it has an area of 25p cm²? Leave the answer in terms of p .
What will be an ideal response?
Mathematics
Divide.(x2 + 5x + 1) ÷ (x + 3)
A. x + 2 + 
B. 
C. x + 2 - 
D. x + 3
Mathematics