A sociologist randomly selects 371 females 15 to 19 years old and asks each to disclose her family structure at age 14 and whether she has had sexual intercourse. Use the results in the accompanying table to complete parts?(a) through?(e) below.

a. Compute the expected values of each cell under the assumption of independence.

Had sexual intercourse Both Biological or Adoptive Parents Single Parent Parent and Nonparenlal Guardian Stepparent 58 42 63 30 Yes 42 35 84 17 N0