Layla is 3 years old. How many teeth would you expect her to have?

If an experimenter accepts the alternative hypothesis, when in fact the null hypothesis is true, he

or she A) has found significance B) has made a Type II error C) must redo the entire experiment D) has made a Type I error

Presidents whose inaugural speeches indicated a high need for Achievement are usually rated by historians as ineffective leaders

Indicate whether the statement is true or false