What happens to the probability of making a Type Il error, B, as the level of significance, a decreases? Why? Choose the correct answer below
O A. The probability increases. The sum of a and always equals 1.
OB. The probability increases. As one error decreases, the other must increase.
O C. The probability decreases. The more careful researcher is, the lower the chances of making any error.
OD. The probability decreases. As one error decreases, so must the other.