A doctor believes that the standard deviation of systolic blood pressure is 450. A random sample of 24 patients found a standard deviation of 520. Assume the variable is normally distributed and = 0.01. What are the critical values?

A) 10.196 and 41.638 C) 9.262 and 44.181

B) 9.886 and 45.559 D) 10.856 and 42.980

A) 10.196 and 41.638 C) 9.262 and 44.181

B) 9.886 and 45.559 D) 10.856 and 42.980

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