A type I error occurs when the: A. null hypothesis is incorrectly rejected when it is true B. test is biased C. sample mean differs from the population mean D. null hypothesis is incorrectly accepted when it is false

100 points, hi, i’m not sure how to get the equation from the graph and table.

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

Asinusoidal function whose frequency is 1/6pi