8.4 The Power Function (FS1 - Chapter 8: Quality of tests)

#hindsmaths ***CORRECTION - EXAMPLE 13 PART C (24:35 - 25:35) - WHEN YOU TAKE A 2ND SAMPLE OF 5 SWEETS (BECAUSE YOU DON'T INITIALLY REJECT Ho) THIS WILL MEAN THAT THERE IS AT LEAST ONE HARD CENTRE SWEET (X GREATER THAN ZERO). THIS EQUALS 1-(P(X=0)), WHICH IS 1 - 0.6^5. THIS WOULD MAKE THE ACTUAL ANSWER FOR PART C = 0.6^5 + (1 - 0.6^5) x 0.6^5 = 0.1495 (to 4 d.p)*** Thanks for K Husain for spotting it and the correction Calculating the power function from the power of a test 0:00 Intro 2:54 Example 11 12:12 Example 12 30:36 Example 13 34:58 End/Recap