STAT 211

Example 2: A sample of 15 students who had taken calculus class yielded the following information on brand of calculator owned: T H C T H H C T T C C H S S S (T: Texas Instruments, H: Hewlett Packard, C=Casio, S=Sharp). Estimate the true proportion of all such students who own a Texas Instruments calculator. Answer=0.2667 ................
................