At Freddie's Fun Park, attendees buy tickets to go on the rides. An employee at Freddie's Fun Park made a mistake on one of the
ride ticket signs. The relationship between the number of tickets purchased and the total price should be proportional. On the sign below, select the price that was marked incorrectly.
2 answers:
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Answer:
a) Standard error = 0.5
b) 99% Confidence interval: (19.2125,21.7875)
Step-by-step explanation:
We are given the following in the question:
Population mean = 20.50 mpg
Sample standard deviation = 3.00 mpg
Sample size , n = 36
Standard Error =
99% Confidence interval:
Putting the values, we get,