The diagram shows two similar vases, A and B. The height of vase A is 9 cm and the height of vase B is 13 cm.
Given that
surface area of vase A + surface area of vase B = 1800 cm?
calculate the surface area of vase A

Arandom sample of 240 park users were asked if they go to the park more often on weekdays or on the weekend. the results are shown in the table. weekdays weekend male 50 10 female 150 30 based on the data in the table, select correct or incorrect for each statement. correct incorrect the males go to the park more often on the weekend. the females go to the park more often on weekdays. for the participants in the survey, gender affects which days of the week a person goes to the park.

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Explain why the factor 1.5 is broke. into two numbers in the model.