Suppose that in a population with many millions of people, 3% of them are left-handed. What is the probability of finding 4 or more left-handed among 120 people selected at random?

Jing and Bob are each invited to a party. From previous experience, it is known that there is a 95% probability that at least one of them will actually go to the party.

In Walter's closet there are 7 shirts where 1 are green and 8 pants where 1 are green. What is the probability that Walter's outfit will be all green if he gets dressed in the dark? Round to the nearest 10th of a percent

Does the equation represent a direct variation? If so, find the constant of variation. 5x = - 3y A. no B. yes; k = 3/5 C. yes; k = 5/3 D. yes; k = - 5/3

How many 3 digit license plates can be made if the plate starts with a number, ends with a letter and the middle is either one?

One kilogram is approximately 2.2 pounds. A baby weighs approximately 4.3 kilograms at birth. What is the weight of the baby in pounds, rounded to the nearest tenth of a pound?

Identify the population being studied. The heights of 5 out of the 38 green bean plants at Mr. Lonardo's greenhouse. a. The 5 green bean plants at Mr. Lonardo's greenhouse. b. All green bean plants in greenhouses. c. All green bean plants at Mr.

Round off 8,489,600 to the nearest thousand.

The speed of a passenger train is 18 mph faster than the speed of a freight train. The passenger train travels 270 miles in the same time it takes the freight train to travel 180 mph. What is the speed of the passenger train?

You served food to a group at a restaurant. The total cost of the food was $42.00. The sales tax is 8% of the cost of food. The group asked you to add 20% of the original cost of food for a tip. What was the total cost for the group?

Translate to an algebraic expression. 28 more than D d - 28 28 = d 28 - d d+28