Opre homework 2

question 1

Question 4 The results of a survey of 800 married couples and the number of children they had is shown below Number of Children Probability O 0.1 0.3 2 0.4 3 0.2 What is the probability that a randomly selected couple will have less than 2 children? O a. 0.4 O b. 0.7 O c. 0.3 O d. 0.1Question 5 A numerical description of the outcome of an experiment is called a O a. probability function O b. random variable O c. descriptive statistic O d. varianceQuestion 2 Delicious Candy markets a two-pound box of assorted chocolates. Because of imperfections in the candy making equipment, the actual weight of the chocolate has a Uniform distribution ranging from 31 to 32.5 ounces Define a probability density function for the weight of the box of chocolate. O a. f(I) = 1.5 31