Please help, last minute hwk Visitors to a cinema are either children, adults or pensioners. The ratio of children to adults is 2:5. The ratio of adults to pensioners is 3:4. A stratified sample of 315 is to be taken from the visitors. How many pensioners should be in the sample?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality