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Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

How many zeroes do we write when we write all the integers 1 to 243 in base 3?

The results of a survey indicate that the true proportion of households who want a park in their neighborhood is likely in the interval (0.58, 0.84) . what is the point estimate of the proportion of households who want a park in their neighborhood?