كويز تفاعلي: ملزمة وفق الهيكل - سابع متقدم - ريفيل

A school librarian is purchasing new books for her book clubs in the coming year. In order to determine how many books she needs, she randomly surveys 30 students who plan to participate in one of her book clubs in the coming year. The table above shows the results. If 150 students participate in the book clubs next year, how many “Story Seekers” books will the librarian need to purchase?

A triangular prism has a height of 6 meters and volume of 54 cubic meters. Which of the following is the area of the base of the prism?

The spinner shown is spun once. What is the likelihood of the spinner landing on cat or dog?

The dot plot displays data from 20 random samples, each consisting of 25 students. Each dot represents the mean time spent by students in the sample doing homework per night. Which of the following dot plots displays the highest variability?

Ahmad spins a spinner with five equal sections labeled red, yellow, green, blue, and white, 50 \times. Which of the following graphs best represents the results that can be expected from Ahmad’s experiment?

A gift box is composed of a rectangular prism and a triangular prism as shown above. What is the total surface area of the gift box?

A player in a board game rolls a six-sided number cube labeled 1 through 6 once. Which of the following is the theoretical probability of rolling a prime number?

A travel agency randomly surveyed its customers and found that $45\%$ are planning an overseas vacation next year. If the agency has a total of 8,000 customers, how many would be expected to go for a vacation overseas next year?

A random selection of students was asked the question “What type of gift did you last receive?” and the results were recorded in the relative frequency bar graph shown above. What is the experimental probability that a student chosen at random received a toy or money?

Find the volume of the pyramid shown in the figure.

If the base area of a square pyramid is 25 square inches and the area of one lateral face is 20 square inches, what is the surface area of the pyramid?

A spinner with five equal sections of green, red, yellow, blue, and white is spun 50 \times. It lands on green 9 \times, red 12 \times, yellow 14 \times, blue 11 \times, and white 4 \times. Which of the following is the relative frequency of landing on white?