A drug company claims that over 90 of all physicians recommend their drug. 400 physicians were asked if they recommend the drug to their patients. 56 said yes. H0: p = 0.9.
A) -29.467 B) -45.334 C) -20.400 D) -22.667
Question 2
Which of the following statements concerning the standard normal curve is/are true (if any)?
a. The area under the standard normal curve to the left of -3 is zero.
b. The area under the standard normal curve between any two z-scores is greater than zero.
c. The area under the standard normal curve between two z-scores will be negative if both z-scores are negative.
d. The area under the standard normal curve to the left of any z-score is less than 1.
A) a, c B) b, d C) a, b D) a
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