Điều kiện nf>=5;n(1-f)>=5 trong loại kiểm định giả thuyết " so sánh tỉ lệ tổng thể với số cho trước ", (với n là cỡ mẫu, f là tỉ lệ mẫu) có nghĩa là gì ?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

The slope of the line whose equation is y - 3 = 0 is 0 3 no slope