1. 50 TV viewers were asked, "Should TV sponsors pull their sponsorship from programs that draw numerous viewer complaints?" Below are the results of the survey. (Y = Yes; N = No; W = Without Opinion) N W N N Y N N N Y N N Y N N N N N Y N N Y N Y W N Y W W N Y W W N W Y W N W Y W N Y N Y N W Y Y N Y a. Construct a frequency distribution and a bar graph. b. Construct a relative frequency distribution and a pie chart.2. The probability distribution of the daily demand for a product is shown below. Demand Probability 0.05 0.10 0.15 0.35 0.20 0.10 0.05 a. What is the expected number of units demanded per day? b. Determine the variance and the standard deviation