For a group of 120 people assuming that each person is

For a group of 120 people, assuming that each person is equally likely to have a birthday on each of 365 days in the year, compute

(a) The expected number of days of the year that are birthdays of exactly 4 people:

E[days with 4 birthdays]=

(b) The expected number of distinct birthdays:

E[distinct birthdays]=

Determine the t critical value for a two-sided confidence : determine the t critical value for a two-sided confidence interval in each of the following situations. round your

A random sample of 40 adults with no children under the age : a random sample of 40 adults with no children under the age of 18 years results in a mean daily leisure time of 5.29

Does x have a binomial distribution or a hypergeometric : in southern california a growing number of persons pursuing a teaching credential are choosing paid internships over

A 8-sided die is rolled twice let x be the sum of the two : a 8-sided die is rolled twice. let x be the sum of the two rolls y be the first minus the second and z be the 4 times

For a group of 120 people assuming that each person is : for a group of 120 people assuming that each person is equally likely to have a birthday on each of 365 days in the

Consider 50 independent flips of a coin having probability : consider 50 independent flips of a coin having probability 0.4 of landing on heads. we say that a changeover occurs

It is reasonable to model the number of winter storms in a : it is reasonable to model the number of winter storms in a season as with a poisson random variable. suppose that in a

If the number of people entering an elevator on the ground : consider an elevator in a building with n floors above the ground floor. if the number of people entering an elevator

Suppose a linear regression equation was calculated to fit : suppose a linear regression equation was calculated to fit the relationship between the percentage of the adult