A psychologist claims that 50% of dreams are pleasant, 30% neutral, 20% unpleasant. Out of 200 reported dreams, 90 were pleasant, 70 neutral, 40 unpleasant.
What is the appropriate alternative hypothesis?
- A
The proportions are independent
- B
p_pleasant > 0.50
- C
All proportions equal 1/3
- Dcheck_circle
At least one proportion differs from the claimed distribution
Explanation
For a goodness-of-fit test, Ha states that at least one proportion differs from the values specified by H0.