The probability that an individual is left-handed is 0.12. In a class of 30 students, what is the mean and standard deviation of the number of left-handed students? Round to the nearest hundredth when necessary

What is the minimum probability of collection that should be accepted by firms that have a 25% profit margin? Ignore the time value of money.

A) 75% B) 20% C) 25% D) 50%

How can identifying context help a writer develop a more effective proposal?

A) The writer can determine if the proposal was solicited or unsolicited B) The writer can develop the proposal as an internal document C) The writer can determine the level of persuasion necessary D) The writer determines the requirements for content E) The writer can determine who the key competitors are