Students attending an international event were asked if they can speak Arabic or Chinese. 25% speak Arabic, 20% speak Chinese, 10% speak both languages. Assume random selection: a. What is the probability that the

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50 % of this population prefers the color black. If 16 buyers are randomly selected, what is the probability that less than 12 buyers would prefer black? Round your answer to four decimal places. Answer How to enter your answer (opens in new window) Tables Keypad Keyboard Shortcuts

In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety percent of the females attended college, 78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person is a female who did not attend college? * O 0. 20 O 0.08 O 0.25 O 0.80

One card is selected from a standard deck of 52 cards. 1. What is probability  of selecting a red card or black card? 2. What is probability  of selecting a 2 or a 5?

A family has 3 children. Find the probability that 2 of 3 children are boys. P(2 Boys)= type your answer... What assumption did you make in using this sample space to find the probability? type your answer... dos Ō A

Researchers asked 600 people if they thought that there was too much violence on TV and recorded their answer of: Yes, No, and Don’t know. Use the table below to answer the questions 1. If a participant is chosen at random, what is the probability that they are a man or answered Yes? Leave your answer as a fraction. 2. If a participant is chosen at random, what is the probability that they answered Dont Know given that they are a woman? Leave your answer as a fraction

A bag containing 16 balls - 4 red, 7 green, 3 yellow, and 2 blue. Four balls are selected. a. What is the probability that all balls are green? b. What is the probability that exactly two of the balls are green? c. What is the probability that none of the balls are yellow? d. What is the probability that all of the balls are blue?