A family plans to have 3 children. For each birth assume that the probability of a boy is the same as a girl. What is the probability of having exactly one girl

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

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.