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Question 13. Version 1*l1. Score: 0/2 A test was administered to a group of students. The grades and gender are summarized below. Suppose one student was chosen at random. (a) Find the probability that the student was male. (b) Find the probability that the student got a C. Give your answers as fractions or decimals. Score: N/A/1 N/A/1 Question 14. Version 1*l1. Score: 014 Determine whether this table represents a probability distribution. Yes, it is a probability distribution r\". No, it is not a probability distribution Question 15. Version 1*l1. Score: 0/3 The following bar graph shows the distribution of pennies, nickels, dimes, and quarters in a piggy bank. Coins in a Piggy Bank 47 pennies nickeis dimes quarters q Suppose a coin is selected at random from the piggy bank. Answer the problems below to 2 decimal places. What is the probability that the coin is a penny? C] What is the probability that the coin is a dime? C] What is the probability that the coin is not a nickel? [3 Score: N/A/1 N/Al1 N/A/1 Question 16. Version 1*l1. Score: 0/4 About 10% of the population has a particular genetic mutation. 300 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 300. Question 17. Version 1*/1. Score: 0/4 Use the spinner below. Score: N/A/4 Question 18. Version 1*/1. Score: 0/4 427 chickens on a farm lay brown eggs and 464 chickens on the farm lay white eggs. If a chicken is chosen at random, what is the probability that it lays white eggs? Give your answer as a fraction or decimal accurate to at least 3 decimal places Score: N/A/4 Question 19. Version 1*/1. Score: 0/4 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.7 years, and standard deviation of 1.4 years. If you randomly purchase one item, what is the probability it will last longer than 15 years? :1