Construct a 95 confidence interval for p1 - p2 for a survey that finds 30 of 240 males and 41 of 200 females are opposed to the death penalty.
A) (-0.200, -0.021 ) B) (-1.532, 1.342 ) C) (-0.561, 0.651 ) D) (-1.324, 1.512 )
Question 2
The amount of soda a dispensing machine pours into a 12 ounce can of soda follows a normal distribution with a standard deviation of 0.06 ounce.
Every can that has more than 12.15 ounces of soda poured into it causes a
spill and the can needs to go through a special cleaning process before it can be sold. What is the mean amount
of soda the machine should dispense if the company wants to limit the percentage that need to be cleaned
because of spillage to 3?
A) 12.0372 oz B) 12.2628 oz C) 12.0198 oz D) 12.2802 oz
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