The total area of all rectangles in a histogram equals to ()
A: 0.50
B: 0.75
C: 1.00
D: 0.95
E: 2.58
A: 0.50
B: 0.75
C: 1.00
D: 0.95
E: 2.58
举一反三
- The total area of the bars in a relative frequency histogram:
- 划线不可能绝对准确，一般划线精度能达到（）mm A: 0.05～0.10 B: 0.25～0.50 C: 0.50～0.75 D: 0.75～1.00
- 划线不可能绝对准确，一般划线精度能达到（）mm。 A: 0.05～0.1； B: 0.25～0.50； C: 0.50～0.75； D: 0.75～1.00。
- The total area of the six bars in a relative frequency histogram for which the width of each bar is five units is 1.
- The firm maximizes economic profit by finding the rate of output at which total revenue ________ total cost ________ . A: equals; all else constant B: plus; equals C: minus; equals zero D: exceeds; by the greatest amount.