3. A new selective herbicide is being tested to kill weeds growing in crops. It is believed to have similar effectiveness to other selective herbicides but the cost is about 10% lower. The hypotheses are: Ho: The new herbicide is safe for human consumption Ha: The new herbicide is unsafe for human consumption a) Describe a Type I and a Type II error in context for this hypothesis test. Type 1: Type II: b) Would the researcher would want to use a small or a relatively large significance level a for this hypothesis test? Explain your reasoning