lilquongohard

13.12.2021 • 

Mathematics

The student body of a large university consists of 40% Business majors. A random sample of six students from this university is selected. What is the probability that exactly two students in the sample are Business majors The student body of a large university consists of 40% Business majors. A random sample of 17 students from this university is selected. What is the probability that exactly two students in the sample are Business majors?

Ответ:

blacksabbath6922

17.08.2022

Mathematics

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4(x - )² = 0

Step-by-step explanation:

Given

4x² - 4x + 1 = 0 ( factor out 4 from the first 2 terms )

4(x² - x) + 1 = 0

To complete the square

add/subtract ( half the coefficient of the x- term)² to x² - x

4(x² + 2(- )x + - ) + 1 = 0

4(x - )² - 1 + 1 = 0

4(x - )² = 0

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