Some IQ tests are standardized based on the assumption that the population mean is 100 and the standard deviation is 15. Test graders decide to reject this hypothesis if a random sample of 25 people has a mean IQ greater than 110. Assuming that IQ scores are normally distributed, what's the power of the test if the true population mean is 105?

Respuesta :

Answer:

.048

Step-by-step explanation:

1 - (probability of making a type 2 error) = power

1 - (.952) = .048