# Question

With reference to Exercise 3.97,

In exercise

Two textbooks are selected at random from a shelf that contains three statistics texts, two mathematics texts, and three physics texts. If X is the number of statistics texts and Y the number of mathematics texts actually chosen, construct a table showing the values of the joint probability distribution of X and Y.

Find

(a) The marginal distribution of X;

(b) The conditional distribution of Y given X = 0.

In exercise

Two textbooks are selected at random from a shelf that contains three statistics texts, two mathematics texts, and three physics texts. If X is the number of statistics texts and Y the number of mathematics texts actually chosen, construct a table showing the values of the joint probability distribution of X and Y.

Find

(a) The marginal distribution of X;

(b) The conditional distribution of Y given X = 0.

## Answer to relevant Questions

If X is the proportion of persons who will respond to one kind of mail- order solicitation, Y is the proportion of persons who will respond to another kind of mail- order solicitation, and the joint probability density of X ...The useful life (in hours) of a certain kind of integrated circuit is a random variable having the probability density If three of these circuits operate independently, Find (a) The joint probability density of X1, X2, and ...Find the class boundaries, the class interval, and the class marks of the frequency distribution constructed in Exercise 3.115. In exercise Construct a cumulative frequency distribution using the data of Exercise 3.116. In exercise Find the distribution function of the random variable X of Exercise 3.17 and use it to reevaluate part (b).Post your question

0