Find the roots of x2 + 3x - 39 using Goal Seek

For the following frequency distribution:

a. Plot the frequency distribution

b. Calculate E(x)

c. Calculate P(x2)

d. Calculate P(x<=400)

  x       freq

150      3
300      8
400      6
450      4
650      2
900      1
1020    1

Problem 5

Use the entries in the following table to develop the applicable Joint Probability Table

Classes
Taught By     Professors     AssocProf        Asst Prof      Total

Seniors           2921           2298                 1414        6633
Juniors           5899                                                  15250
Sophomores   2227            2428
Freshmen        42               131                   65            238
Total              11089                                 5512         28977