The owner of a craft store wanted to know if her customers prefer oil pastels or chalk pastels. She surveyed groups of 50 customers at a time over a period of 3 days last week. At the end of her survey, she learned that a total of 39 of the customers surveyed prefer chalk pastels. Using the information gathered, determine whether each statement is true. Select True or False for each statement. True False Of her customers surveyed, 74% prefer oil pastels. An average of 13 customers per group prefer chalk pastels. If the owner surveys 200 customers next week, she should expect to find 55 who prefer chalk pastels.​

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?