An entomologist writes an article in a scientific journal which claims that fewer than 8 in ten thousand male fireflies are unable to produce light due to a genetic mutation. Identify the type I error for the test.
A) The error of rejecting the claim that the true proportion is less than 8 in ten thousand when it really is less than 8 in ten thousand.
B) The error of rejecting the claim that the true proportion is at least 8 in ten thousand when it really is at least 8 in ten thousand.
C) The error of failing to reject the claim that the true proportion is at least 8 in ten thousand when it is actually less than 8 in ten thousand.
Question 2
An airline estimates that 97 of people booked on their flights actually show up.
If the airline books 204 people on a flight for which the maximum number is 200, what is the probability that the number of people who show up will exceed the capacity of the plane?
A) 0.1401 B) 0.2514 C) 0.8599 D) 0.7486
Scientific Method
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