7. In a population of fish, approximately 42% are female. A test is conducted to see if, in fact, the proportion is less. State the null and alternative hypotheses. 8. a. Assume Ho: M = 225 and Ha: / 0.146. Is this a left-tailed, right-tailed, or two-tailed test? c. Assume Ho: p = 0.25 and Ha: p # 0.25. Is this a left-tailed, right-tailed, or two-tailed test