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 72 and 78 cars
A. 98 people
B. 100 people
C. 99 people
D. 50 people
Answer: C
You might also like to view...
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -1, v '(2) = -5.
(uv) at x = 2
A. 47 B. 23 C. -47 D. -43
Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement.(p ? ~q) ? r
A. True B. False
Solve the problem.The sum of the measures of the angles in any triangle is 180 degrees. In triangle ABC, angles A and B have the same measure, while angle C is 63 degrees larger than each of the other two angles. Find the measure of angle C.
A. 141 degrees B. 78 degrees C. 39 degrees D. 102 degrees
Raise to the power or find the root. Assume that all variables represent positive numbers. Write with only positive exponents.5x-1/5(5x3 - x1/5)
A. 25x14/5 - 1 B. 25x14/5 - 5 C. 25x14/5 - x D. 25x14/5 - 5x