Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following.
Between 73 and 77 cars
A. 5 people
B. 95 people
C. 82 people
D. 96 people
Answer: B
Mathematics
You might also like to view...
Determine the y-intercept.
A. (-1, 0) B. (0, -1) C. (1, 0) D. (0, 1)
Mathematics
Find the equation of the line that has the given slope and passes through the given point.m = 3, (-2, 7)
A. x = 3y + 13 B. y = 3x - 13 C. x = 3y - 13 D. y = 3x + 13
Mathematics
Factor out the largest common factor.9m4 - 18m2
A. 9m2(m2 - 2) B. 9(m4 - 2m) C. 18m2(m2 - 1) D. 9m2 (m2 - 18)
Mathematics
Simplify the expression using the order of operations. - 4
A. 36 B. 238 C. 120 D. 230
Mathematics