Amedical researcher wishes to determine the % of females who take vitamins. he wishes to be 99% confident that the estimate is within 2% point of the true proportion. a recent study of 180 females showed that 25% took vitamins. how large should the smaple size be?

How do you work out 21.3-8= show your working. plz

El año pasado fuimos a guatemala y nos en el hotel amanecer.

The main reason that you should secure loose objects in your car before you drive is that a. objects too close to the engine may be affected by the heat b. they are likely to get damaged moving around your car c. they may be thrown into a spot that disrupts your driving d. they will be more easily retrieved from a single storage location