Which of the Following R Functions Is Used to Calculate

question 54

Multiple Choice

Which of the following R functions is used to calculate the exact left-tail probability for a distribution?

• A) 1-pchisq(x, df)
• B) 1-pchisq(x, df, lower.tail=TRU
• C) pchisq(x, df)
• D) None of the above

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