Question 2. Please help.

Agroup consists of four men and seven women. Six people are selected to attend a conference. a. In how many ways can six people be selected from this group of eleven? b. In how many ways can six women be selected from the seven women? c. Find the probability that the selected group will consist of all women. a. The number of ways to select six people from the group of eleven is :l. b. The number of ways to select six women from the group of seven women is D. c. The probability is . (Type an integer or a simplied fraction}