In Rosenhan's experiment what percentage of his pseudopatients were diagnosed as normal by medical staff?Question 7Select one:a.25%b.10%c.41%d.0%

A recent study has shown that a new treatment cures a certain disease 68% of the time. If this percentage is correct, what is the probability that, in a random sample of 7 patients undergoing this treatment, exactly 4 are cured?Round your answer to three decimal places.

(b) The percentage results in a Maths exam for a class had a mean mark of 70 with a standard deviation of 15. The percentage results in an English exam for the same class had a mean mark of 72 with a standard deviation of 10. The results in both exams were normally distributed. (i) Mary got 65 in Maths and 68 in English. In which exam did Mary do better relative to the other students in the class? Justify your answer. ݖଵ Answer: Justification: 0

Roughly, what percentage of the population meet the diagnostic criteria for a specific phobia?Question 9Select one:a.<5%b.10%c.25%d.Most people will meet the criteria at some point in their lives.

What percentage of adults receiving intensive mental health services were first diagnosed with a mental disorder before age 16, according to the study by Kim-Cohen and colleagues (2003)? Question 1Answera.78%b.60%c.50%d.74%

group of 200 patients tested a new medication.Some tried the new medication, and the rest took the old medication.The results are reported in the following two-way frequency table.Improvement No improvementNew medication 27 63Old medication 37 73A patient is chosen at random from this group.Complete the following. Write your answers as decimals.(a)Find the probability that the patient showed improvement.=P(improvement)(b)Find the probability that the patient showed improvement, given that he took the new medication.=P(improvement | new medication)(c)Is there evidence that a patient who takes the new medication is more likely to show improvement than a randomly chosen patient from the group?Yes, because the probability found in part (b) is much