Question

what is the value of alpha -beta​

Answer 1

Answer:

2x

2

+3x−α=0 has roots −2 and β

So, we have

−2+β=−

2

3

⇒β=

2

1

Also, −2β=−

2

α

⇒α=2

Step-by-step explanation:

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Answer 2

Answer:

α = 0.05

Step-by-step explanation:

t distribution with 10 degrees of freedom. The most commonly used significance level is α = 0.05. For a two-sided test, we compute 1 - α/2, or 1 - 0.05/2 = 0.975 when α = 0.05.