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Twenty four people had a blood test and the results are shown below.
A, B, B, AB, AB, B, O, O, AB, O, B, A

AB, A, O, O, AB, B, O, A, AB, O, B, A

(a) Construct a frequency distribution for the data.

(b) If a person is selected randomly from the group of twenty four people, what is the probability that his/her blood type is not O?

(c) What value do you draw from this activity?

Asked by Topperlearning User 12th December 2013, 9:35 AM
Answered by Expert


(b) Number of people whose blood group is not O = 5 + 6 + 6 = 17

Thus, probability that the selected person's blood group is not O = = 0.71 (approx.)

(c) Habit of donation and Social work.

Answered by Expert 12th December 2013, 11:35 AM
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