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lunatika

Hero Member
Posts: 548

on: Jun 24, 2018

What is the probability that any well will not be successful?

Question 2

The chi-square distribution for developing a confidence interval for a standard deviation has degrees of freedom equal to:
a. n + 2
b. n +1
c. n
d. n 1
e. n - 2

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livaneabi

Sr. Member
Posts: 328

Reply #1 on: Jun 24, 2018

Answer to Question 1

P(not successful) = 1 - 0.30 = 0.70

Answer to Question 2

d

lunatika

Hero Member
Posts: 548

Reply #2 on: Jun 24, 2018

Thank you

livaneabi

Sr. Member
Posts: 328

Reply #3 on: Jun 24, 2018

No problemo

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