Tesa

Retin-A is a topical ointment originally developed for the treatment of severe cases of acne and related skin disorders. An observed side benefit resulting from use of this product is its beneficial effect on aging skin. If the manufacturer of this produc...

I'm a 7 Letter Words, You Read me daily, My 5, 6, 7th Letter increases every Year. 3rd and 4th Letter are the Same. My 3rd, 2nd and 5th Letter Covers 75% of the World. What am i?.

You wish to learn the proportion of MBA students that are female within 3%, and with 98% confidence. How large of a sample should you get?