SIGNAL DETECTION THEORY A single-interval, yes-no task is used to estimate a listener's sensitivity for detecting a 1000 Hz tone added to broadband noise. On half of the trials, a sample of noise was presented alone. On the other half of trials, a 1000 Hz tone was added to the noise. On each trial, the listener reports her decision about whether the tone was present. Data are shown in table below (p to z values are shown in the table on the last page) STIMULUS noise signal _____________________________ | | | noise | 85 | 30 | RESPONSE |_____________|_____________| | | | signal | 15 | 70 | |_____________|_____________| Use the raw data shown in the table to calculate the sensitivity index, d' (show your work)