Question 7 1 pts An investing firm advertises that they can produce earnings of 8% Joan the smart investor thinks this claim may be too high and performs a 1-prop z-test. She feels anything under 8% is a bad investment and will not invest. Which of the following describes Type II error? O Joan says the firm can produce 8% when it can produce 8% earning. O Joan says the firm produces lower than 8% when it produces 8%. O Joan says the firm produces lower than 8% when it can produce 8%? O Joan says the firm can produce 8% when it produces lower that 8% earnings