Question

Lesson 3 Simultions 1. A small opinion poll. Suppose that 90% of a university's students favor abolishing evening exams. You as 10 students chosen at random. What is the probability that all 10 favor abolishing evening exams? (a) Give a probability model for asking 10 students independently of each other. yes = 0.90 NO- 0.10 (b) Assign digits to represent the answers "Yes" and ves=0-7 NO=8-9 (c) Simulate 25 repetitions of asking 10 students, starting at line 129 of Table A. (You will need to read 25 groups of 10 digits.) What is your estimate of the probability? Y = 20 25 Creo) Ossign 1 digit al sebagai halb olubs N: 11/25 .44

Answer 1

Your answers to part (a) and (b) are correct but in part (c) you have use Table A given to you and start at line 129.

The simulation you have done is one group of 25 digits but we need 25 groups of 10 digits.

The simulation can be done as follows:

3/6/7/5/9 5/8/9/8/4 – these are 10 values you need to find 25 groups in this way and assign Yes and No to each of these groups then find the probability for a Yes in each group and multiply the group probabilities with each other. This probability is your estimate of the probability.

Good luck with your studies!!!